Home / 2,529.43-3,489.35-1,691.26

Finding the Fourth Proportional to 2,529.43, 3,489.35 and 1,691.26

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Solution

The fourth proportional to 2,529.43, 3,489.35 and 1,691.26 is: 2,333.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,529.43 : 3,489.35 = 1,691.26 : x
  2. Step 2: Convert to fraction form
    2,529.43/3,489.35 = 1,691.26/x
  3. Step 3: Cross multiply
    2,529.43x = 3,489.35 × 1,691.26
  4. Step 4: Simplify right side
    2,529.43x = 5,901,380.90
  5. Step 5: Solve for x
    x = 5,901,380.90/2,529.43
  6. Step 6: Final answer
    x = 2,333.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.