Home / 2,253.26-3,381.38-1,020.69

Finding the Fourth Proportional to 2,253.26, 3,381.38 and 1,020.69

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Solution

The fourth proportional to 2,253.26, 3,381.38 and 1,020.69 is: 1,531.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,253.26 : 3,381.38 = 1,020.69 : x
  2. Step 2: Convert to fraction form
    2,253.26/3,381.38 = 1,020.69/x
  3. Step 3: Cross multiply
    2,253.26x = 3,381.38 × 1,020.69
  4. Step 4: Simplify right side
    2,253.26x = 3,451,335.65
  5. Step 5: Solve for x
    x = 3,451,335.65/2,253.26
  6. Step 6: Final answer
    x = 1,531.71

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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.