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Finding the Fourth Proportional to 3,354.92, 4,630.32 and 3,207.28

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Solution

The fourth proportional to 3,354.92, 4,630.32 and 3,207.28 is: 4,426.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,354.92 : 4,630.32 = 3,207.28 : x
  2. Step 2: Convert to fraction form
    3,354.92/4,630.32 = 3,207.28/x
  3. Step 3: Cross multiply
    3,354.92x = 4,630.32 × 3,207.28
  4. Step 4: Simplify right side
    3,354.92x = 14,850,732.73
  5. Step 5: Solve for x
    x = 14,850,732.73/3,354.92
  6. Step 6: Final answer
    x = 4,426.55

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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.