Home / 3,221.82-4,832.54-1,246.64

Finding the Fourth Proportional to 3,221.82, 4,832.54 and 1,246.64

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Solution

The fourth proportional to 3,221.82, 4,832.54 and 1,246.64 is: 1,869.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.82 : 4,832.54 = 1,246.64 : x
  2. Step 2: Convert to fraction form
    3,221.82/4,832.54 = 1,246.64/x
  3. Step 3: Cross multiply
    3,221.82x = 4,832.54 × 1,246.64
  4. Step 4: Simplify right side
    3,221.82x = 6,024,407.27
  5. Step 5: Solve for x
    x = 6,024,407.27/3,221.82
  6. Step 6: Final answer
    x = 1,869.88

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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.