Home / 3,279.38-4,917.77-1,198.91

Finding the Fourth Proportional to 3,279.38, 4,917.77 and 1,198.91

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Solution

The fourth proportional to 3,279.38, 4,917.77 and 1,198.91 is: 1,797.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279.38 : 4,917.77 = 1,198.91 : x
  2. Step 2: Convert to fraction form
    3,279.38/4,917.77 = 1,198.91/x
  3. Step 3: Cross multiply
    3,279.38x = 4,917.77 × 1,198.91
  4. Step 4: Simplify right side
    3,279.38x = 5,895,957.64
  5. Step 5: Solve for x
    x = 5,895,957.64/3,279.38
  6. Step 6: Final answer
    x = 1,797.89

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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.