Home / 2,812.73-4,218.21-1,168.97

Finding the Fourth Proportional to 2,812.73, 4,218.21 and 1,168.97

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Solution

The fourth proportional to 2,812.73, 4,218.21 and 1,168.97 is: 1,753.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812.73 : 4,218.21 = 1,168.97 : x
  2. Step 2: Convert to fraction form
    2,812.73/4,218.21 = 1,168.97/x
  3. Step 3: Cross multiply
    2,812.73x = 4,218.21 × 1,168.97
  4. Step 4: Simplify right side
    2,812.73x = 4,930,939.85
  5. Step 5: Solve for x
    x = 4,930,939.85/2,812.73
  6. Step 6: Final answer
    x = 1,753.08

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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.