Home / 3,944.86-5,912.12-2,092.05

Finding the Fourth Proportional to 3,944.86, 5,912.12 and 2,092.05

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Solution

The fourth proportional to 3,944.86, 5,912.12 and 2,092.05 is: 3,135.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.86 : 5,912.12 = 2,092.05 : x
  2. Step 2: Convert to fraction form
    3,944.86/5,912.12 = 2,092.05/x
  3. Step 3: Cross multiply
    3,944.86x = 5,912.12 × 2,092.05
  4. Step 4: Simplify right side
    3,944.86x = 12,368,455.88
  5. Step 5: Solve for x
    x = 12,368,455.88/3,944.86
  6. Step 6: Final answer
    x = 3,135.34

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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.