Home / 3,928.44-5,919.68-3,250.37

Finding the Fourth Proportional to 3,928.44, 5,919.68 and 3,250.37

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Solution

The fourth proportional to 3,928.44, 5,919.68 and 3,250.37 is: 4,897.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,928.44 : 5,919.68 = 3,250.37 : x
  2. Step 2: Convert to fraction form
    3,928.44/5,919.68 = 3,250.37/x
  3. Step 3: Cross multiply
    3,928.44x = 5,919.68 × 3,250.37
  4. Step 4: Simplify right side
    3,928.44x = 19,241,104.43
  5. Step 5: Solve for x
    x = 19,241,104.43/3,928.44
  6. Step 6: Final answer
    x = 4,897.90

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.