Home / 4,081-5,631.90-2,218.12

Finding the Fourth Proportional to 4,081, 5,631.90 and 2,218.12

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Solution

The fourth proportional to 4,081, 5,631.90 and 2,218.12 is: 3,061.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081 : 5,631.90 = 2,218.12 : x
  2. Step 2: Convert to fraction form
    4,081/5,631.90 = 2,218.12/x
  3. Step 3: Cross multiply
    4,081x = 5,631.90 × 2,218.12
  4. Step 4: Simplify right side
    4,081x = 12,492,230.03
  5. Step 5: Solve for x
    x = 12,492,230.03/4,081
  6. Step 6: Final answer
    x = 3,061.07

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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.