Home / 2,279.87-3,417.61-1,169.29

Finding the Fourth Proportional to 2,279.87, 3,417.61 and 1,169.29

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Solution

The fourth proportional to 2,279.87, 3,417.61 and 1,169.29 is: 1,752.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279.87 : 3,417.61 = 1,169.29 : x
  2. Step 2: Convert to fraction form
    2,279.87/3,417.61 = 1,169.29/x
  3. Step 3: Cross multiply
    2,279.87x = 3,417.61 × 1,169.29
  4. Step 4: Simplify right side
    2,279.87x = 3,996,177.20
  5. Step 5: Solve for x
    x = 3,996,177.20/2,279.87
  6. Step 6: Final answer
    x = 1,752.81

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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.