Home / 2,712.27-4,066.12-1,324.89

Finding the Fourth Proportional to 2,712.27, 4,066.12 and 1,324.89

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Solution

The fourth proportional to 2,712.27, 4,066.12 and 1,324.89 is: 1,986.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712.27 : 4,066.12 = 1,324.89 : x
  2. Step 2: Convert to fraction form
    2,712.27/4,066.12 = 1,324.89/x
  3. Step 3: Cross multiply
    2,712.27x = 4,066.12 × 1,324.89
  4. Step 4: Simplify right side
    2,712.27x = 5,387,161.73
  5. Step 5: Solve for x
    x = 5,387,161.73/2,712.27
  6. Step 6: Final answer
    x = 1,986.22

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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.