Home / 2,529.26-3,791.39-1,487.86

Finding the Fourth Proportional to 2,529.26, 3,791.39 and 1,487.86

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Solution

The fourth proportional to 2,529.26, 3,791.39 and 1,487.86 is: 2,230.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,529.26 : 3,791.39 = 1,487.86 : x
  2. Step 2: Convert to fraction form
    2,529.26/3,791.39 = 1,487.86/x
  3. Step 3: Cross multiply
    2,529.26x = 3,791.39 × 1,487.86
  4. Step 4: Simplify right side
    2,529.26x = 5,641,057.53
  5. Step 5: Solve for x
    x = 5,641,057.53/2,529.26
  6. Step 6: Final answer
    x = 2,230.32

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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.