Home / 3,446.82-5,167.62-1,691.28

Finding the Fourth Proportional to 3,446.82, 5,167.62 and 1,691.28

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Solution

The fourth proportional to 3,446.82, 5,167.62 and 1,691.28 is: 2,535.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,446.82 : 5,167.62 = 1,691.28 : x
  2. Step 2: Convert to fraction form
    3,446.82/5,167.62 = 1,691.28/x
  3. Step 3: Cross multiply
    3,446.82x = 5,167.62 × 1,691.28
  4. Step 4: Simplify right side
    3,446.82x = 8,739,892.35
  5. Step 5: Solve for x
    x = 8,739,892.35/3,446.82
  6. Step 6: Final answer
    x = 2,535.64

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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.