Home / 3,932.32-5,899.56-1,335.28

Finding the Fourth Proportional to 3,932.32, 5,899.56 and 1,335.28

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Solution

The fourth proportional to 3,932.32, 5,899.56 and 1,335.28 is: 2,003.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,932.32 : 5,899.56 = 1,335.28 : x
  2. Step 2: Convert to fraction form
    3,932.32/5,899.56 = 1,335.28/x
  3. Step 3: Cross multiply
    3,932.32x = 5,899.56 × 1,335.28
  4. Step 4: Simplify right side
    3,932.32x = 7,877,564.48
  5. Step 5: Solve for x
    x = 7,877,564.48/3,932.32
  6. Step 6: Final answer
    x = 2,003.29

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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.