Home / 3,151.22-4,348.31-1,824.74

Finding the Fourth Proportional to 3,151.22, 4,348.31 and 1,824.74

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Solution

The fourth proportional to 3,151.22, 4,348.31 and 1,824.74 is: 2,517.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.22 : 4,348.31 = 1,824.74 : x
  2. Step 2: Convert to fraction form
    3,151.22/4,348.31 = 1,824.74/x
  3. Step 3: Cross multiply
    3,151.22x = 4,348.31 × 1,824.74
  4. Step 4: Simplify right side
    3,151.22x = 7,934,550.22
  5. Step 5: Solve for x
    x = 7,934,550.22/3,151.22
  6. Step 6: Final answer
    x = 2,517.93

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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.