Home / 3,681.05-5,517.92-1,488.38

Finding the Fourth Proportional to 3,681.05, 5,517.92 and 1,488.38

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Solution

The fourth proportional to 3,681.05, 5,517.92 and 1,488.38 is: 2,231.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.05 : 5,517.92 = 1,488.38 : x
  2. Step 2: Convert to fraction form
    3,681.05/5,517.92 = 1,488.38/x
  3. Step 3: Cross multiply
    3,681.05x = 5,517.92 × 1,488.38
  4. Step 4: Simplify right side
    3,681.05x = 8,212,737.90
  5. Step 5: Solve for x
    x = 8,212,737.90/3,681.05
  6. Step 6: Final answer
    x = 2,231.09

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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.