Home / 3,279.13-4,917.39-1,198.66

Finding the Fourth Proportional to 3,279.13, 4,917.39 and 1,198.66

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Solution

The fourth proportional to 3,279.13, 4,917.39 and 1,198.66 is: 1,797.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279.13 : 4,917.39 = 1,198.66 : x
  2. Step 2: Convert to fraction form
    3,279.13/4,917.39 = 1,198.66/x
  3. Step 3: Cross multiply
    3,279.13x = 4,917.39 × 1,198.66
  4. Step 4: Simplify right side
    3,279.13x = 5,894,278.70
  5. Step 5: Solve for x
    x = 5,894,278.70/3,279.13
  6. Step 6: Final answer
    x = 1,797.51

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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.