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Finding the Fourth Proportional to 3,654.71, 5,482.05 and 2,998.61

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Solution

The fourth proportional to 3,654.71, 5,482.05 and 2,998.61 is: 4,497.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,654.71 : 5,482.05 = 2,998.61 : x
  2. Step 2: Convert to fraction form
    3,654.71/5,482.05 = 2,998.61/x
  3. Step 3: Cross multiply
    3,654.71x = 5,482.05 × 2,998.61
  4. Step 4: Simplify right side
    3,654.71x = 16,438,502.54
  5. Step 5: Solve for x
    x = 16,438,502.54/3,654.71
  6. Step 6: Final answer
    x = 4,497.90

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Double scale
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Similar ratio
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1.5x scale

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.