Home / 2,227.38-3,344.54-2,128.79

Finding the Fourth Proportional to 2,227.38, 3,344.54 and 2,128.79

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Solution

The fourth proportional to 2,227.38, 3,344.54 and 2,128.79 is: 3,196.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227.38 : 3,344.54 = 2,128.79 : x
  2. Step 2: Convert to fraction form
    2,227.38/3,344.54 = 2,128.79/x
  3. Step 3: Cross multiply
    2,227.38x = 3,344.54 × 2,128.79
  4. Step 4: Simplify right side
    2,227.38x = 7,119,821.02
  5. Step 5: Solve for x
    x = 7,119,821.02/2,227.38
  6. Step 6: Final answer
    x = 3,196.51

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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.