Home / 3,417.52-5,127.64-2,451.28

Finding the Fourth Proportional to 3,417.52, 5,127.64 and 2,451.28

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Solution

The fourth proportional to 3,417.52, 5,127.64 and 2,451.28 is: 3,677.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417.52 : 5,127.64 = 2,451.28 : x
  2. Step 2: Convert to fraction form
    3,417.52/5,127.64 = 2,451.28/x
  3. Step 3: Cross multiply
    3,417.52x = 5,127.64 × 2,451.28
  4. Step 4: Simplify right side
    3,417.52x = 12,569,281.38
  5. Step 5: Solve for x
    x = 12,569,281.38/3,417.52
  6. Step 6: Final answer
    x = 3,677.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.