Home / 3,369.42-5,049.45-1,983.66

Finding the Fourth Proportional to 3,369.42, 5,049.45 and 1,983.66

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Solution

The fourth proportional to 3,369.42, 5,049.45 and 1,983.66 is: 2,972.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369.42 : 5,049.45 = 1,983.66 : x
  2. Step 2: Convert to fraction form
    3,369.42/5,049.45 = 1,983.66/x
  3. Step 3: Cross multiply
    3,369.42x = 5,049.45 × 1,983.66
  4. Step 4: Simplify right side
    3,369.42x = 10,016,391.99
  5. Step 5: Solve for x
    x = 10,016,391.99/3,369.42
  6. Step 6: Final answer
    x = 2,972.73

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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.