Home / 3,227.24-4,839.81-1,992.80

Finding the Fourth Proportional to 3,227.24, 4,839.81 and 1,992.80

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Solution

The fourth proportional to 3,227.24, 4,839.81 and 1,992.80 is: 2,988.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,227.24 : 4,839.81 = 1,992.80 : x
  2. Step 2: Convert to fraction form
    3,227.24/4,839.81 = 1,992.80/x
  3. Step 3: Cross multiply
    3,227.24x = 4,839.81 × 1,992.80
  4. Step 4: Simplify right side
    3,227.24x = 9,644,773.37
  5. Step 5: Solve for x
    x = 9,644,773.37/3,227.24
  6. Step 6: Final answer
    x = 2,988.55

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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.