Home / 2,213.38-3,318.45-914.14

Finding the Fourth Proportional to 2,213.38, 3,318.45 and 914.14

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Solution

The fourth proportional to 2,213.38, 3,318.45 and 914.14 is: 1,370.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213.38 : 3,318.45 = 914.14 : x
  2. Step 2: Convert to fraction form
    2,213.38/3,318.45 = 914.14/x
  3. Step 3: Cross multiply
    2,213.38x = 3,318.45 × 914.14
  4. Step 4: Simplify right side
    2,213.38x = 3,033,527.88
  5. Step 5: Solve for x
    x = 3,033,527.88/2,213.38
  6. Step 6: Final answer
    x = 1,370.54

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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.