Home / 2,737.86-3,778.26-1,542.87

Finding the Fourth Proportional to 2,737.86, 3,778.26 and 1,542.87

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Solution

The fourth proportional to 2,737.86, 3,778.26 and 1,542.87 is: 2,129.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,737.86 : 3,778.26 = 1,542.87 : x
  2. Step 2: Convert to fraction form
    2,737.86/3,778.26 = 1,542.87/x
  3. Step 3: Cross multiply
    2,737.86x = 3,778.26 × 1,542.87
  4. Step 4: Simplify right side
    2,737.86x = 5,829,364.01
  5. Step 5: Solve for x
    x = 5,829,364.01/2,737.86
  6. Step 6: Final answer
    x = 2,129.17

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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.