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Finding the Fourth Proportional to 3,906.60, 5,860.88 and 2,754.60

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Solution

The fourth proportional to 3,906.60, 5,860.88 and 2,754.60 is: 4,132.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,906.60 : 5,860.88 = 2,754.60 : x
  2. Step 2: Convert to fraction form
    3,906.60/5,860.88 = 2,754.60/x
  3. Step 3: Cross multiply
    3,906.60x = 5,860.88 × 2,754.60
  4. Step 4: Simplify right side
    3,906.60x = 16,144,380.05
  5. Step 5: Solve for x
    x = 16,144,380.05/3,906.60
  6. Step 6: Final answer
    x = 4,132.59

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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.