Home / 4,121.24-5,683.04-2,863.72

Finding the Fourth Proportional to 4,121.24, 5,683.04 and 2,863.72

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Solution

The fourth proportional to 4,121.24, 5,683.04 and 2,863.72 is: 3,948.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.24 : 5,683.04 = 2,863.72 : x
  2. Step 2: Convert to fraction form
    4,121.24/5,683.04 = 2,863.72/x
  3. Step 3: Cross multiply
    4,121.24x = 5,683.04 × 2,863.72
  4. Step 4: Simplify right side
    4,121.24x = 16,274,635.31
  5. Step 5: Solve for x
    x = 16,274,635.31/4,121.24
  6. Step 6: Final answer
    x = 3,948.97

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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.