Home / 3,824.39-5,278.43-2,481.68

Finding the Fourth Proportional to 3,824.39, 5,278.43 and 2,481.68

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Solution

The fourth proportional to 3,824.39, 5,278.43 and 2,481.68 is: 3,425.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,824.39 : 5,278.43 = 2,481.68 : x
  2. Step 2: Convert to fraction form
    3,824.39/5,278.43 = 2,481.68/x
  3. Step 3: Cross multiply
    3,824.39x = 5,278.43 × 2,481.68
  4. Step 4: Simplify right side
    3,824.39x = 13,099,374.95
  5. Step 5: Solve for x
    x = 13,099,374.95/3,824.39
  6. Step 6: Final answer
    x = 3,425.22

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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.