Home / 3,944.27-5,907.92-1,861.15

Finding the Fourth Proportional to 3,944.27, 5,907.92 and 1,861.15

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Solution

The fourth proportional to 3,944.27, 5,907.92 and 1,861.15 is: 2,787.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.27 : 5,907.92 = 1,861.15 : x
  2. Step 2: Convert to fraction form
    3,944.27/5,907.92 = 1,861.15/x
  3. Step 3: Cross multiply
    3,944.27x = 5,907.92 × 1,861.15
  4. Step 4: Simplify right side
    3,944.27x = 10,995,539.39
  5. Step 5: Solve for x
    x = 10,995,539.39/3,944.27
  6. Step 6: Final answer
    x = 2,787.73

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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.