Home / 3,960.38-5,940.96-1,363.52

Finding the Fourth Proportional to 3,960.38, 5,940.96 and 1,363.52

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Solution

The fourth proportional to 3,960.38, 5,940.96 and 1,363.52 is: 2,045.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960.38 : 5,940.96 = 1,363.52 : x
  2. Step 2: Convert to fraction form
    3,960.38/5,940.96 = 1,363.52/x
  3. Step 3: Cross multiply
    3,960.38x = 5,940.96 × 1,363.52
  4. Step 4: Simplify right side
    3,960.38x = 8,100,617.78
  5. Step 5: Solve for x
    x = 8,100,617.78/3,960.38
  6. Step 6: Final answer
    x = 2,045.41

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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.