Home / 2,816.28-4,224.51-2,689.92

Finding the Fourth Proportional to 2,816.28, 4,224.51 and 2,689.92

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Solution

The fourth proportional to 2,816.28, 4,224.51 and 2,689.92 is: 4,034.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816.28 : 4,224.51 = 2,689.92 : x
  2. Step 2: Convert to fraction form
    2,816.28/4,224.51 = 2,689.92/x
  3. Step 3: Cross multiply
    2,816.28x = 4,224.51 × 2,689.92
  4. Step 4: Simplify right side
    2,816.28x = 11,363,593.94
  5. Step 5: Solve for x
    x = 11,363,593.94/2,816.28
  6. Step 6: Final answer
    x = 4,034.97

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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.