Home / 3,943.97-5,915.83-1,603.28

Finding the Fourth Proportional to 3,943.97, 5,915.83 and 1,603.28

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Solution

The fourth proportional to 3,943.97, 5,915.83 and 1,603.28 is: 2,404.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.97 : 5,915.83 = 1,603.28 : x
  2. Step 2: Convert to fraction form
    3,943.97/5,915.83 = 1,603.28/x
  3. Step 3: Cross multiply
    3,943.97x = 5,915.83 × 1,603.28
  4. Step 4: Simplify right side
    3,943.97x = 9,484,723.91
  5. Step 5: Solve for x
    x = 9,484,723.91/3,943.97
  6. Step 6: Final answer
    x = 2,404.87

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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.