Home / 3,329.52-4,997.16-1,278.96

Finding the Fourth Proportional to 3,329.52, 4,997.16 and 1,278.96

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Solution

The fourth proportional to 3,329.52, 4,997.16 and 1,278.96 is: 1,919.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,329.52 : 4,997.16 = 1,278.96 : x
  2. Step 2: Convert to fraction form
    3,329.52/4,997.16 = 1,278.96/x
  3. Step 3: Cross multiply
    3,329.52x = 4,997.16 × 1,278.96
  4. Step 4: Simplify right side
    3,329.52x = 6,391,167.75
  5. Step 5: Solve for x
    x = 6,391,167.75/3,329.52
  6. Step 6: Final answer
    x = 1,919.55

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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.