Home / 3,391.61-5,087.49-2,229.03

Finding the Fourth Proportional to 3,391.61, 5,087.49 and 2,229.03

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Solution

The fourth proportional to 3,391.61, 5,087.49 and 2,229.03 is: 3,343.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.61 : 5,087.49 = 2,229.03 : x
  2. Step 2: Convert to fraction form
    3,391.61/5,087.49 = 2,229.03/x
  3. Step 3: Cross multiply
    3,391.61x = 5,087.49 × 2,229.03
  4. Step 4: Simplify right side
    3,391.61x = 11,340,131.25
  5. Step 5: Solve for x
    x = 11,340,131.25/3,391.61
  6. Step 6: Final answer
    x = 3,343.58

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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.