Home / 3,737.75-5,607.09-1,272.38

Finding the Fourth Proportional to 3,737.75, 5,607.09 and 1,272.38

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Solution

The fourth proportional to 3,737.75, 5,607.09 and 1,272.38 is: 1,908.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,737.75 : 5,607.09 = 1,272.38 : x
  2. Step 2: Convert to fraction form
    3,737.75/5,607.09 = 1,272.38/x
  3. Step 3: Cross multiply
    3,737.75x = 5,607.09 × 1,272.38
  4. Step 4: Simplify right side
    3,737.75x = 7,134,349.17
  5. Step 5: Solve for x
    x = 7,134,349.17/3,737.75
  6. Step 6: Final answer
    x = 1,908.73

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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.