Home / 2,279.80-3,419.77-1,183.47

Finding the Fourth Proportional to 2,279.80, 3,419.77 and 1,183.47

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Solution

The fourth proportional to 2,279.80, 3,419.77 and 1,183.47 is: 1,775.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279.80 : 3,419.77 = 1,183.47 : x
  2. Step 2: Convert to fraction form
    2,279.80/3,419.77 = 1,183.47/x
  3. Step 3: Cross multiply
    2,279.80x = 3,419.77 × 1,183.47
  4. Step 4: Simplify right side
    2,279.80x = 4,047,195.20
  5. Step 5: Solve for x
    x = 4,047,195.20/2,279.80
  6. Step 6: Final answer
    x = 1,775.24

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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.