Home / 3,399.30-5,100.15-3,279.30

Finding the Fourth Proportional to 3,399.30, 5,100.15 and 3,279.30

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Solution

The fourth proportional to 3,399.30, 5,100.15 and 3,279.30 is: 4,920.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,399.30 : 5,100.15 = 3,279.30 : x
  2. Step 2: Convert to fraction form
    3,399.30/5,100.15 = 3,279.30/x
  3. Step 3: Cross multiply
    3,399.30x = 5,100.15 × 3,279.30
  4. Step 4: Simplify right side
    3,399.30x = 16,724,921.90
  5. Step 5: Solve for x
    x = 16,724,921.90/3,399.30
  6. Step 6: Final answer
    x = 4,920.11

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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.