Home / 3,231.82-4,456.38-2,182.06

Finding the Fourth Proportional to 3,231.82, 4,456.38 and 2,182.06

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Solution

The fourth proportional to 3,231.82, 4,456.38 and 2,182.06 is: 3,008.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.82 : 4,456.38 = 2,182.06 : x
  2. Step 2: Convert to fraction form
    3,231.82/4,456.38 = 2,182.06/x
  3. Step 3: Cross multiply
    3,231.82x = 4,456.38 × 2,182.06
  4. Step 4: Simplify right side
    3,231.82x = 9,724,088.54
  5. Step 5: Solve for x
    x = 9,724,088.54/3,231.82
  6. Step 6: Final answer
    x = 3,008.86

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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.