Home / 2,229.92-3,340.32-1,042.26

Finding the Fourth Proportional to 2,229.92, 3,340.32 and 1,042.26

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Solution

The fourth proportional to 2,229.92, 3,340.32 and 1,042.26 is: 1,561.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,229.92 : 3,340.32 = 1,042.26 : x
  2. Step 2: Convert to fraction form
    2,229.92/3,340.32 = 1,042.26/x
  3. Step 3: Cross multiply
    2,229.92x = 3,340.32 × 1,042.26
  4. Step 4: Simplify right side
    2,229.92x = 3,481,481.92
  5. Step 5: Solve for x
    x = 3,481,481.92/2,229.92
  6. Step 6: Final answer
    x = 1,561.26

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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.