Home / 3,539.27-5,305.03-1,687.61

Finding the Fourth Proportional to 3,539.27, 5,305.03 and 1,687.61

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Solution

The fourth proportional to 3,539.27, 5,305.03 and 1,687.61 is: 2,529.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539.27 : 5,305.03 = 1,687.61 : x
  2. Step 2: Convert to fraction form
    3,539.27/5,305.03 = 1,687.61/x
  3. Step 3: Cross multiply
    3,539.27x = 5,305.03 × 1,687.61
  4. Step 4: Simplify right side
    3,539.27x = 8,952,830.72
  5. Step 5: Solve for x
    x = 8,952,830.72/3,539.27
  6. Step 6: Final answer
    x = 2,529.57

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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.