Home / 4,081.28-5,632.14-2,218.28

Finding the Fourth Proportional to 4,081.28, 5,632.14 and 2,218.28

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Solution

The fourth proportional to 4,081.28, 5,632.14 and 2,218.28 is: 3,061.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.28 : 5,632.14 = 2,218.28 : x
  2. Step 2: Convert to fraction form
    4,081.28/5,632.14 = 2,218.28/x
  3. Step 3: Cross multiply
    4,081.28x = 5,632.14 × 2,218.28
  4. Step 4: Simplify right side
    4,081.28x = 12,493,663.52
  5. Step 5: Solve for x
    x = 12,493,663.52/4,081.28
  6. Step 6: Final answer
    x = 3,061.21

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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.