Home / 3,855.27-5,760.35-2,850.35

Finding the Fourth Proportional to 3,855.27, 5,760.35 and 2,850.35

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Solution

The fourth proportional to 3,855.27, 5,760.35 and 2,850.35 is: 4,258.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855.27 : 5,760.35 = 2,850.35 : x
  2. Step 2: Convert to fraction form
    3,855.27/5,760.35 = 2,850.35/x
  3. Step 3: Cross multiply
    3,855.27x = 5,760.35 × 2,850.35
  4. Step 4: Simplify right side
    3,855.27x = 16,419,033.79
  5. Step 5: Solve for x
    x = 16,419,033.79/3,855.27
  6. Step 6: Final answer
    x = 4,258.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.