Home / 2,253.38-3,380.10-1,020.82

Finding the Fourth Proportional to 2,253.38, 3,380.10 and 1,020.82

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Solution

The fourth proportional to 2,253.38, 3,380.10 and 1,020.82 is: 1,531.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,253.38 : 3,380.10 = 1,020.82 : x
  2. Step 2: Convert to fraction form
    2,253.38/3,380.10 = 1,020.82/x
  3. Step 3: Cross multiply
    2,253.38x = 3,380.10 × 1,020.82
  4. Step 4: Simplify right side
    2,253.38x = 3,450,473.68
  5. Step 5: Solve for x
    x = 3,450,473.68/2,253.38
  6. Step 6: Final answer
    x = 1,531.24

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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.