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Finding the Fourth Proportional to 3,374.52, 5,061.90 and 3,103.88

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Solution

The fourth proportional to 3,374.52, 5,061.90 and 3,103.88 is: 4,655.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,374.52 : 5,061.90 = 3,103.88 : x
  2. Step 2: Convert to fraction form
    3,374.52/5,061.90 = 3,103.88/x
  3. Step 3: Cross multiply
    3,374.52x = 5,061.90 × 3,103.88
  4. Step 4: Simplify right side
    3,374.52x = 15,711,530.17
  5. Step 5: Solve for x
    x = 15,711,530.17/3,374.52
  6. Step 6: Final answer
    x = 4,655.93

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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.