Home / 4,121.49-5,683.39-2,863.97

Finding the Fourth Proportional to 4,121.49, 5,683.39 and 2,863.97

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Solution

The fourth proportional to 4,121.49, 5,683.39 and 2,863.97 is: 3,949.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.49 : 5,683.39 = 2,863.97 : x
  2. Step 2: Convert to fraction form
    4,121.49/5,683.39 = 2,863.97/x
  3. Step 3: Cross multiply
    4,121.49x = 5,683.39 × 2,863.97
  4. Step 4: Simplify right side
    4,121.49x = 16,277,058.46
  5. Step 5: Solve for x
    x = 16,277,058.46/4,121.49
  6. Step 6: Final answer
    x = 3,949.31

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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.