Home / 3,661.25-5,481.10-2,270.12

Finding the Fourth Proportional to 3,661.25, 5,481.10 and 2,270.12

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Solution

The fourth proportional to 3,661.25, 5,481.10 and 2,270.12 is: 3,398.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,661.25 : 5,481.10 = 2,270.12 : x
  2. Step 2: Convert to fraction form
    3,661.25/5,481.10 = 2,270.12/x
  3. Step 3: Cross multiply
    3,661.25x = 5,481.10 × 2,270.12
  4. Step 4: Simplify right side
    3,661.25x = 12,442,754.73
  5. Step 5: Solve for x
    x = 12,442,754.73/3,661.25
  6. Step 6: Final answer
    x = 3,398.50

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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.