Home / 4,081.30-5,632.25-2,218.34

Finding the Fourth Proportional to 4,081.30, 5,632.25 and 2,218.34

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Solution

The fourth proportional to 4,081.30, 5,632.25 and 2,218.34 is: 3,061.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.30 : 5,632.25 = 2,218.34 : x
  2. Step 2: Convert to fraction form
    4,081.30/5,632.25 = 2,218.34/x
  3. Step 3: Cross multiply
    4,081.30x = 5,632.25 × 2,218.34
  4. Step 4: Simplify right side
    4,081.30x = 12,494,245.47
  5. Step 5: Solve for x
    x = 12,494,245.47/4,081.30
  6. Step 6: Final answer
    x = 3,061.34

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Half scale
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Double 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.