Home / 3,824.06-5,277.20-2,231.78

Finding the Fourth Proportional to 3,824.06, 5,277.20 and 2,231.78

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Solution

The fourth proportional to 3,824.06, 5,277.20 and 2,231.78 is: 3,079.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,824.06 : 5,277.20 = 2,231.78 : x
  2. Step 2: Convert to fraction form
    3,824.06/5,277.20 = 2,231.78/x
  3. Step 3: Cross multiply
    3,824.06x = 5,277.20 × 2,231.78
  4. Step 4: Simplify right side
    3,824.06x = 11,777,511.87
  5. Step 5: Solve for x
    x = 11,777,511.87/3,824.06
  6. Step 6: Final answer
    x = 3,079.85

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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.