The correct order of the statements is 3-4-2-1. This is because statement 3 explains that during the formation of the Solar System, some of the matter in the disk around the Sun did not clump together. Statement 4 provides information about the asteroid belt, stating that it is located between 300 and 550 million kilometers from the Sun, between Mars and Jupiter. Statement 2 states that about 10% of the asteroids in the belt have a diameter of around 100 kilometers. Finally, statement 1 mentions that there are millions of asteroids in the belt, ranging in size from small rocks to the largest asteroid, Ceres, which has a diameter of 995 kilometers.