Home / 3,204.72-4,422.60-1,962

Finding the Fourth Proportional to 3,204.72, 4,422.60 and 1,962

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Solution

The fourth proportional to 3,204.72, 4,422.60 and 1,962 is: 2,707.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,204.72 : 4,422.60 = 1,962 : x
  2. Step 2: Convert to fraction form
    3,204.72/4,422.60 = 1,962/x
  3. Step 3: Cross multiply
    3,204.72x = 4,422.60 × 1,962
  4. Step 4: Simplify right side
    3,204.72x = 8,677,141.20
  5. Step 5: Solve for x
    x = 8,677,141.20/3,204.72
  6. Step 6: Final answer
    x = 2,707.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.