Home / 2,229.88-3,343.57-914.56

Finding the Fourth Proportional to 2,229.88, 3,343.57 and 914.56

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Solution

The fourth proportional to 2,229.88, 3,343.57 and 914.56 is: 1,371.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,229.88 : 3,343.57 = 914.56 : x
  2. Step 2: Convert to fraction form
    2,229.88/3,343.57 = 914.56/x
  3. Step 3: Cross multiply
    2,229.88x = 3,343.57 × 914.56
  4. Step 4: Simplify right side
    2,229.88x = 3,057,895.38
  5. Step 5: Solve for x
    x = 3,057,895.38/2,229.88
  6. Step 6: Final answer
    x = 1,371.33

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1.5x scale

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.