Home / 3,906.96-5,861.28-2,057.08

Finding the Fourth Proportional to 3,906.96, 5,861.28 and 2,057.08

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Solution

The fourth proportional to 3,906.96, 5,861.28 and 2,057.08 is: 3,086.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,906.96 : 5,861.28 = 2,057.08 : x
  2. Step 2: Convert to fraction form
    3,906.96/5,861.28 = 2,057.08/x
  3. Step 3: Cross multiply
    3,906.96x = 5,861.28 × 2,057.08
  4. Step 4: Simplify right side
    3,906.96x = 12,057,121.86
  5. Step 5: Solve for x
    x = 12,057,121.86/3,906.96
  6. Step 6: Final answer
    x = 3,086.06

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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.