Home / 2,281.38-3,148.70-2,177.49

Finding the Fourth Proportional to 2,281.38, 3,148.70 and 2,177.49

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Solution

The fourth proportional to 2,281.38, 3,148.70 and 2,177.49 is: 3,005.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281.38 : 3,148.70 = 2,177.49 : x
  2. Step 2: Convert to fraction form
    2,281.38/3,148.70 = 2,177.49/x
  3. Step 3: Cross multiply
    2,281.38x = 3,148.70 × 2,177.49
  4. Step 4: Simplify right side
    2,281.38x = 6,856,251.88
  5. Step 5: Solve for x
    x = 6,856,251.88/2,281.38
  6. Step 6: Final answer
    x = 3,005.31

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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.