Home / 3,800.80-5,691.94-2,152.35

Finding the Fourth Proportional to 3,800.80, 5,691.94 and 2,152.35

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Solution

The fourth proportional to 3,800.80, 5,691.94 and 2,152.35 is: 3,223.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,800.80 : 5,691.94 = 2,152.35 : x
  2. Step 2: Convert to fraction form
    3,800.80/5,691.94 = 2,152.35/x
  3. Step 3: Cross multiply
    3,800.80x = 5,691.94 × 2,152.35
  4. Step 4: Simplify right side
    3,800.80x = 12,251,036.30
  5. Step 5: Solve for x
    x = 12,251,036.30/3,800.80
  6. Step 6: Final answer
    x = 3,223.28

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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.