Home / 2,414.28-3,331.50-1,629.40

Finding the Fourth Proportional to 2,414.28, 3,331.50 and 1,629.40

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Solution

The fourth proportional to 2,414.28, 3,331.50 and 1,629.40 is: 2,248.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,414.28 : 3,331.50 = 1,629.40 : x
  2. Step 2: Convert to fraction form
    2,414.28/3,331.50 = 1,629.40/x
  3. Step 3: Cross multiply
    2,414.28x = 3,331.50 × 1,629.40
  4. Step 4: Simplify right side
    2,414.28x = 5,428,346.10
  5. Step 5: Solve for x
    x = 5,428,346.10/2,414.28
  6. Step 6: Final answer
    x = 2,248.43

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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.