Home / 2,231.20-3,340.23-1,449.37

Finding the Fourth Proportional to 2,231.20, 3,340.23 and 1,449.37

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Solution

The fourth proportional to 2,231.20, 3,340.23 and 1,449.37 is: 2,169.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231.20 : 3,340.23 = 1,449.37 : x
  2. Step 2: Convert to fraction form
    2,231.20/3,340.23 = 1,449.37/x
  3. Step 3: Cross multiply
    2,231.20x = 3,340.23 × 1,449.37
  4. Step 4: Simplify right side
    2,231.20x = 4,841,229.16
  5. Step 5: Solve for x
    x = 4,841,229.16/2,231.20
  6. Step 6: Final answer
    x = 2,169.79

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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.