Home / 3,824.20-5,278.53-2,252.80

Finding the Fourth Proportional to 3,824.20, 5,278.53 and 2,252.80

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Solution

The fourth proportional to 3,824.20, 5,278.53 and 2,252.80 is: 3,109.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,824.20 : 5,278.53 = 2,252.80 : x
  2. Step 2: Convert to fraction form
    3,824.20/5,278.53 = 2,252.80/x
  3. Step 3: Cross multiply
    3,824.20x = 5,278.53 × 2,252.80
  4. Step 4: Simplify right side
    3,824.20x = 11,891,472.38
  5. Step 5: Solve for x
    x = 11,891,472.38/3,824.20
  6. Step 6: Final answer
    x = 3,109.53

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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.