Home / 4,081.13-5,631.96-2,218.13

Finding the Fourth Proportional to 4,081.13, 5,631.96 and 2,218.13

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Solution

The fourth proportional to 4,081.13, 5,631.96 and 2,218.13 is: 3,061.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.13 : 5,631.96 = 2,218.13 : x
  2. Step 2: Convert to fraction form
    4,081.13/5,631.96 = 2,218.13/x
  3. Step 3: Cross multiply
    4,081.13x = 5,631.96 × 2,218.13
  4. Step 4: Simplify right side
    4,081.13x = 12,492,391.28
  5. Step 5: Solve for x
    x = 12,492,391.28/4,081.13
  6. Step 6: Final answer
    x = 3,061.02

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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.