Home / 3,231.43-4,849.19-1,382.56

Finding the Fourth Proportional to 3,231.43, 4,849.19 and 1,382.56

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Solution

The fourth proportional to 3,231.43, 4,849.19 and 1,382.56 is: 2,074.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.43 : 4,849.19 = 1,382.56 : x
  2. Step 2: Convert to fraction form
    3,231.43/4,849.19 = 1,382.56/x
  3. Step 3: Cross multiply
    3,231.43x = 4,849.19 × 1,382.56
  4. Step 4: Simplify right side
    3,231.43x = 6,704,296.13
  5. Step 5: Solve for x
    x = 6,704,296.13/3,231.43
  6. Step 6: Final answer
    x = 2,074.71

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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.