Home / 2,691.06-4,034.53-1,229.19

Finding the Fourth Proportional to 2,691.06, 4,034.53 and 1,229.19

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Solution

The fourth proportional to 2,691.06, 4,034.53 and 1,229.19 is: 1,842.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,691.06 : 4,034.53 = 1,229.19 : x
  2. Step 2: Convert to fraction form
    2,691.06/4,034.53 = 1,229.19/x
  3. Step 3: Cross multiply
    2,691.06x = 4,034.53 × 1,229.19
  4. Step 4: Simplify right side
    2,691.06x = 4,959,200.86
  5. Step 5: Solve for x
    x = 4,959,200.86/2,691.06
  6. Step 6: Final answer
    x = 1,842.84

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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.