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Finding the Fourth Proportional to 3,562.62, 5,343.12 and 1,807.17

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Solution

The fourth proportional to 3,562.62, 5,343.12 and 1,807.17 is: 2,710.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,562.62 : 5,343.12 = 1,807.17 : x
  2. Step 2: Convert to fraction form
    3,562.62/5,343.12 = 1,807.17/x
  3. Step 3: Cross multiply
    3,562.62x = 5,343.12 × 1,807.17
  4. Step 4: Simplify right side
    3,562.62x = 9,655,926.17
  5. Step 5: Solve for x
    x = 9,655,926.17/3,562.62
  6. Step 6: Final answer
    x = 2,710.34

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Double scale
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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.