Home / 2,132.26-3,198.24-1,310.65

Finding the Fourth Proportional to 2,132.26, 3,198.24 and 1,310.65

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Solution

The fourth proportional to 2,132.26, 3,198.24 and 1,310.65 is: 1,965.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132.26 : 3,198.24 = 1,310.65 : x
  2. Step 2: Convert to fraction form
    2,132.26/3,198.24 = 1,310.65/x
  3. Step 3: Cross multiply
    2,132.26x = 3,198.24 × 1,310.65
  4. Step 4: Simplify right side
    2,132.26x = 4,191,765.26
  5. Step 5: Solve for x
    x = 4,191,765.26/2,132.26
  6. Step 6: Final answer
    x = 1,965.88

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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.