Home / 4,121.96-5,687.94-2,443.08

Finding the Fourth Proportional to 4,121.96, 5,687.94 and 2,443.08

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Solution

The fourth proportional to 4,121.96, 5,687.94 and 2,443.08 is: 3,371.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.96 : 5,687.94 = 2,443.08 : x
  2. Step 2: Convert to fraction form
    4,121.96/5,687.94 = 2,443.08/x
  3. Step 3: Cross multiply
    4,121.96x = 5,687.94 × 2,443.08
  4. Step 4: Simplify right side
    4,121.96x = 13,896,092.46
  5. Step 5: Solve for x
    x = 13,896,092.46/4,121.96
  6. Step 6: Final answer
    x = 3,371.23

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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.