Home / 3,268.44-4,906.17-1,321.92

Finding the Fourth Proportional to 3,268.44, 4,906.17 and 1,321.92

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Solution

The fourth proportional to 3,268.44, 4,906.17 and 1,321.92 is: 1,984.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,268.44 : 4,906.17 = 1,321.92 : x
  2. Step 2: Convert to fraction form
    3,268.44/4,906.17 = 1,321.92/x
  3. Step 3: Cross multiply
    3,268.44x = 4,906.17 × 1,321.92
  4. Step 4: Simplify right side
    3,268.44x = 6,485,564.25
  5. Step 5: Solve for x
    x = 6,485,564.25/3,268.44
  6. Step 6: Final answer
    x = 1,984.30

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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.