Home / 3,536.17-5,305.78-1,687.30

Finding the Fourth Proportional to 3,536.17, 5,305.78 and 1,687.30

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Solution

The fourth proportional to 3,536.17, 5,305.78 and 1,687.30 is: 2,531.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,536.17 : 5,305.78 = 1,687.30 : x
  2. Step 2: Convert to fraction form
    3,536.17/5,305.78 = 1,687.30/x
  3. Step 3: Cross multiply
    3,536.17x = 5,305.78 × 1,687.30
  4. Step 4: Simplify right side
    3,536.17x = 8,952,442.59
  5. Step 5: Solve for x
    x = 8,952,442.59/3,536.17
  6. Step 6: Final answer
    x = 2,531.68

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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.