Home / 3,180.28-4,419.02-3,146.04

Finding the Fourth Proportional to 3,180.28, 4,419.02 and 3,146.04

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Solution

The fourth proportional to 3,180.28, 4,419.02 and 3,146.04 is: 4,371.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.28 : 4,419.02 = 3,146.04 : x
  2. Step 2: Convert to fraction form
    3,180.28/4,419.02 = 3,146.04/x
  3. Step 3: Cross multiply
    3,180.28x = 4,419.02 × 3,146.04
  4. Step 4: Simplify right side
    3,180.28x = 13,902,413.68
  5. Step 5: Solve for x
    x = 13,902,413.68/3,180.28
  6. Step 6: Final answer
    x = 4,371.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.