Home / 2,727.24-4,081.55-1,686.80

Finding the Fourth Proportional to 2,727.24, 4,081.55 and 1,686.80

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Solution

The fourth proportional to 2,727.24, 4,081.55 and 1,686.80 is: 2,524.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,727.24 : 4,081.55 = 1,686.80 : x
  2. Step 2: Convert to fraction form
    2,727.24/4,081.55 = 1,686.80/x
  3. Step 3: Cross multiply
    2,727.24x = 4,081.55 × 1,686.80
  4. Step 4: Simplify right side
    2,727.24x = 6,884,729.70
  5. Step 5: Solve for x
    x = 6,884,729.70/2,727.24
  6. Step 6: Final answer
    x = 2,524.43

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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.