Home / 3,279.22-4,917.24-1,198.90

Finding the Fourth Proportional to 3,279.22, 4,917.24 and 1,198.90

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Solution

The fourth proportional to 3,279.22, 4,917.24 and 1,198.90 is: 1,797.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279.22 : 4,917.24 = 1,198.90 : x
  2. Step 2: Convert to fraction form
    3,279.22/4,917.24 = 1,198.90/x
  3. Step 3: Cross multiply
    3,279.22x = 4,917.24 × 1,198.90
  4. Step 4: Simplify right side
    3,279.22x = 5,895,279.04
  5. Step 5: Solve for x
    x = 5,895,279.04/3,279.22
  6. Step 6: Final answer
    x = 1,797.77

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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.