Home / 3,932.64-5,899.60-1,958.36

Finding the Fourth Proportional to 3,932.64, 5,899.60 and 1,958.36

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Solution

The fourth proportional to 3,932.64, 5,899.60 and 1,958.36 is: 2,937.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,932.64 : 5,899.60 = 1,958.36 : x
  2. Step 2: Convert to fraction form
    3,932.64/5,899.60 = 1,958.36/x
  3. Step 3: Cross multiply
    3,932.64x = 5,899.60 × 1,958.36
  4. Step 4: Simplify right side
    3,932.64x = 11,553,540.66
  5. Step 5: Solve for x
    x = 11,553,540.66/3,932.64
  6. Step 6: Final answer
    x = 2,937.86

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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.