Home / 2,241.27-3,362.38-681.18

Finding the Fourth Proportional to 2,241.27, 3,362.38 and 681.18

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Solution

The fourth proportional to 2,241.27, 3,362.38 and 681.18 is: 1,021.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,241.27 : 3,362.38 = 681.18 : x
  2. Step 2: Convert to fraction form
    2,241.27/3,362.38 = 681.18/x
  3. Step 3: Cross multiply
    2,241.27x = 3,362.38 × 681.18
  4. Step 4: Simplify right side
    2,241.27x = 2,290,371.70
  5. Step 5: Solve for x
    x = 2,290,371.70/2,241.27
  6. Step 6: Final answer
    x = 1,021.91

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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.