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Finding the Fourth Proportional to 3,151.62, 4,348.08 and 1,824.84

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Solution

The fourth proportional to 3,151.62, 4,348.08 and 1,824.84 is: 2,517.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.62 : 4,348.08 = 1,824.84 : x
  2. Step 2: Convert to fraction form
    3,151.62/4,348.08 = 1,824.84/x
  3. Step 3: Cross multiply
    3,151.62x = 4,348.08 × 1,824.84
  4. Step 4: Simplify right side
    3,151.62x = 7,934,550.31
  5. Step 5: Solve for x
    x = 7,934,550.31/3,151.62
  6. Step 6: Final answer
    x = 2,517.61

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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.