Home / 3,728.16-5,144.94-2,049.71

Finding the Fourth Proportional to 3,728.16, 5,144.94 and 2,049.71

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Solution

The fourth proportional to 3,728.16, 5,144.94 and 2,049.71 is: 2,828.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728.16 : 5,144.94 = 2,049.71 : x
  2. Step 2: Convert to fraction form
    3,728.16/5,144.94 = 2,049.71/x
  3. Step 3: Cross multiply
    3,728.16x = 5,144.94 × 2,049.71
  4. Step 4: Simplify right side
    3,728.16x = 10,545,609.24
  5. Step 5: Solve for x
    x = 10,545,609.24/3,728.16
  6. Step 6: Final answer
    x = 2,828.64

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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.