Home / 3,151.22-4,350.47-2,033.79

Finding the Fourth Proportional to 3,151.22, 4,350.47 and 2,033.79

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Solution

The fourth proportional to 3,151.22, 4,350.47 and 2,033.79 is: 2,807.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.22 : 4,350.47 = 2,033.79 : x
  2. Step 2: Convert to fraction form
    3,151.22/4,350.47 = 2,033.79/x
  3. Step 3: Cross multiply
    3,151.22x = 4,350.47 × 2,033.79
  4. Step 4: Simplify right side
    3,151.22x = 8,847,932.21
  5. Step 5: Solve for x
    x = 8,847,932.21/3,151.22
  6. Step 6: Final answer
    x = 2,807.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.