Home / 3,727.85-5,144.45-2,049.21

Finding the Fourth Proportional to 3,727.85, 5,144.45 and 2,049.21

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Solution

The fourth proportional to 3,727.85, 5,144.45 and 2,049.21 is: 2,827.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,727.85 : 5,144.45 = 2,049.21 : x
  2. Step 2: Convert to fraction form
    3,727.85/5,144.45 = 2,049.21/x
  3. Step 3: Cross multiply
    3,727.85x = 5,144.45 × 2,049.21
  4. Step 4: Simplify right side
    3,727.85x = 10,542,048.14
  5. Step 5: Solve for x
    x = 10,542,048.14/3,727.85
  6. Step 6: Final answer
    x = 2,827.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.