Home / 2,227.38-3,079.68-2,192.34

Finding the Fourth Proportional to 2,227.38, 3,079.68 and 2,192.34

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Solution

The fourth proportional to 2,227.38, 3,079.68 and 2,192.34 is: 3,031.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227.38 : 3,079.68 = 2,192.34 : x
  2. Step 2: Convert to fraction form
    2,227.38/3,079.68 = 2,192.34/x
  3. Step 3: Cross multiply
    2,227.38x = 3,079.68 × 2,192.34
  4. Step 4: Simplify right side
    2,227.38x = 6,751,705.65
  5. Step 5: Solve for x
    x = 6,751,705.65/2,227.38
  6. Step 6: Final answer
    x = 3,031.23

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.