Home / 2,767.28-4,144.82-2,146.14

Finding the Fourth Proportional to 2,767.28, 4,144.82 and 2,146.14

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Solution

The fourth proportional to 2,767.28, 4,144.82 and 2,146.14 is: 3,214.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767.28 : 4,144.82 = 2,146.14 : x
  2. Step 2: Convert to fraction form
    2,767.28/4,144.82 = 2,146.14/x
  3. Step 3: Cross multiply
    2,767.28x = 4,144.82 × 2,146.14
  4. Step 4: Simplify right side
    2,767.28x = 8,895,353.26
  5. Step 5: Solve for x
    x = 8,895,353.26/2,767.28
  6. Step 6: Final answer
    x = 3,214.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.