Home / 3,955.40-5,932.82-1,358.28

Finding the Fourth Proportional to 3,955.40, 5,932.82 and 1,358.28

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Solution

The fourth proportional to 3,955.40, 5,932.82 and 1,358.28 is: 2,037.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955.40 : 5,932.82 = 1,358.28 : x
  2. Step 2: Convert to fraction form
    3,955.40/5,932.82 = 1,358.28/x
  3. Step 3: Cross multiply
    3,955.40x = 5,932.82 × 1,358.28
  4. Step 4: Simplify right side
    3,955.40x = 8,058,430.75
  5. Step 5: Solve for x
    x = 8,058,430.75/3,955.40
  6. Step 6: Final answer
    x = 2,037.32

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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.