- Determine the two consecutive multiples of 100 that bracket 4,320
- 4,320 is between 4,300 and 4,400
- 4,350 is the midpoint between 4,300 and 4,400
- As illustrated on the number line, 4,320 is less than the midpoint (4,350)
- Therefore, 4,320 rounded to the nearest hundred = 4,300
