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Finding the Fourth Proportional to 3,543.52, 5,318.52 and 2,719.12

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Solution

The fourth proportional to 3,543.52, 5,318.52 and 2,719.12 is: 4,081.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543.52 : 5,318.52 = 2,719.12 : x
  2. Step 2: Convert to fraction form
    3,543.52/5,318.52 = 2,719.12/x
  3. Step 3: Cross multiply
    3,543.52x = 5,318.52 × 2,719.12
  4. Step 4: Simplify right side
    3,543.52x = 14,461,694.10
  5. Step 5: Solve for x
    x = 14,461,694.10/3,543.52
  6. Step 6: Final answer
    x = 4,081.17

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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.