Home / 3,937.32-5,905.31-1,163.97

Finding the Fourth Proportional to 3,937.32, 5,905.31 and 1,163.97

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Solution

The fourth proportional to 3,937.32, 5,905.31 and 1,163.97 is: 1,745.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937.32 : 5,905.31 = 1,163.97 : x
  2. Step 2: Convert to fraction form
    3,937.32/5,905.31 = 1,163.97/x
  3. Step 3: Cross multiply
    3,937.32x = 5,905.31 × 1,163.97
  4. Step 4: Simplify right side
    3,937.32x = 6,873,597.86
  5. Step 5: Solve for x
    x = 6,873,597.86/3,937.32
  6. Step 6: Final answer
    x = 1,745.76

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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.