Home / 2,217.96-3,327.03-985.38

Finding the Fourth Proportional to 2,217.96, 3,327.03 and 985.38

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Solution

The fourth proportional to 2,217.96, 3,327.03 and 985.38 is: 1,478.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217.96 : 3,327.03 = 985.38 : x
  2. Step 2: Convert to fraction form
    2,217.96/3,327.03 = 985.38/x
  3. Step 3: Cross multiply
    2,217.96x = 3,327.03 × 985.38
  4. Step 4: Simplify right side
    2,217.96x = 3,278,388.82
  5. Step 5: Solve for x
    x = 3,278,388.82/2,217.96
  6. Step 6: Final answer
    x = 1,478.11

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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.