Home / 3,824.52-5,278.62-2,481.81

Finding the Fourth Proportional to 3,824.52, 5,278.62 and 2,481.81

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Solution

The fourth proportional to 3,824.52, 5,278.62 and 2,481.81 is: 3,425.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,824.52 : 5,278.62 = 2,481.81 : x
  2. Step 2: Convert to fraction form
    3,824.52/5,278.62 = 2,481.81/x
  3. Step 3: Cross multiply
    3,824.52x = 5,278.62 × 2,481.81
  4. Step 4: Simplify right side
    3,824.52x = 13,100,531.90
  5. Step 5: Solve for x
    x = 13,100,531.90/3,824.52
  6. Step 6: Final answer
    x = 3,425.41

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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.