Home / 3,572.28-4,930.02-2,247.12

Finding the Fourth Proportional to 3,572.28, 4,930.02 and 2,247.12

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Solution

The fourth proportional to 3,572.28, 4,930.02 and 2,247.12 is: 3,101.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572.28 : 4,930.02 = 2,247.12 : x
  2. Step 2: Convert to fraction form
    3,572.28/4,930.02 = 2,247.12/x
  3. Step 3: Cross multiply
    3,572.28x = 4,930.02 × 2,247.12
  4. Step 4: Simplify right side
    3,572.28x = 11,078,346.54
  5. Step 5: Solve for x
    x = 11,078,346.54/3,572.28
  6. Step 6: Final answer
    x = 3,101.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.