Home / 3,825.36-5,728.79-2,176.92

Finding the Fourth Proportional to 3,825.36, 5,728.79 and 2,176.92

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Solution

The fourth proportional to 3,825.36, 5,728.79 and 2,176.92 is: 3,260.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,825.36 : 5,728.79 = 2,176.92 : x
  2. Step 2: Convert to fraction form
    3,825.36/5,728.79 = 2,176.92/x
  3. Step 3: Cross multiply
    3,825.36x = 5,728.79 × 2,176.92
  4. Step 4: Simplify right side
    3,825.36x = 12,471,122.97
  5. Step 5: Solve for x
    x = 12,471,122.97/3,825.36
  6. Step 6: Final answer
    x = 3,260.12

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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.