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Finding the Fourth Proportional to 3,562.97, 5,342.49 and 1,097.10

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Solution

The fourth proportional to 3,562.97, 5,342.49 and 1,097.10 is: 1,645.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,562.97 : 5,342.49 = 1,097.10 : x
  2. Step 2: Convert to fraction form
    3,562.97/5,342.49 = 1,097.10/x
  3. Step 3: Cross multiply
    3,562.97x = 5,342.49 × 1,097.10
  4. Step 4: Simplify right side
    3,562.97x = 5,861,245.78
  5. Step 5: Solve for x
    x = 5,861,245.78/3,562.97
  6. Step 6: Final answer
    x = 1,645.05

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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.