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Finding the Fourth Proportional to 3,998.56, 6,000.92 and 2,611.52

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Solution

The fourth proportional to 3,998.56, 6,000.92 and 2,611.52 is: 3,919.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,998.56 : 6,000.92 = 2,611.52 : x
  2. Step 2: Convert to fraction form
    3,998.56/6,000.92 = 2,611.52/x
  3. Step 3: Cross multiply
    3,998.56x = 6,000.92 × 2,611.52
  4. Step 4: Simplify right side
    3,998.56x = 15,671,522.60
  5. Step 5: Solve for x
    x = 15,671,522.60/3,998.56
  6. Step 6: Final answer
    x = 3,919.29

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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.