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Finding the Fourth Proportional to 3,885.76, 5,824.51 and 2,650.11

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Solution

The fourth proportional to 3,885.76, 5,824.51 and 2,650.11 is: 3,972.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885.76 : 5,824.51 = 2,650.11 : x
  2. Step 2: Convert to fraction form
    3,885.76/5,824.51 = 2,650.11/x
  3. Step 3: Cross multiply
    3,885.76x = 5,824.51 × 2,650.11
  4. Step 4: Simplify right side
    3,885.76x = 15,435,592.20
  5. Step 5: Solve for x
    x = 15,435,592.20/3,885.76
  6. Step 6: Final answer
    x = 3,972.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.