Home / 3,151.27-4,348.26-1,824.71

Finding the Fourth Proportional to 3,151.27, 4,348.26 and 1,824.71

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Solution

The fourth proportional to 3,151.27, 4,348.26 and 1,824.71 is: 2,517.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.27 : 4,348.26 = 1,824.71 : x
  2. Step 2: Convert to fraction form
    3,151.27/4,348.26 = 1,824.71/x
  3. Step 3: Cross multiply
    3,151.27x = 4,348.26 × 1,824.71
  4. Step 4: Simplify right side
    3,151.27x = 7,934,329.43
  5. Step 5: Solve for x
    x = 7,934,329.43/3,151.27
  6. Step 6: Final answer
    x = 2,517.82

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1.5x scale

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.