Home / 3,391.52-5,087.10-2,013.61

Finding the Fourth Proportional to 3,391.52, 5,087.10 and 2,013.61

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Solution

The fourth proportional to 3,391.52, 5,087.10 and 2,013.61 is: 3,020.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.52 : 5,087.10 = 2,013.61 : x
  2. Step 2: Convert to fraction form
    3,391.52/5,087.10 = 2,013.61/x
  3. Step 3: Cross multiply
    3,391.52x = 5,087.10 × 2,013.61
  4. Step 4: Simplify right side
    3,391.52x = 10,243,439.80
  5. Step 5: Solve for x
    x = 10,243,439.80/3,391.52
  6. Step 6: Final answer
    x = 3,020.31

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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.