Home / 4,143.92-5,719.44-2,725.12

Finding the Fourth Proportional to 4,143.92, 5,719.44 and 2,725.12

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Solution

The fourth proportional to 4,143.92, 5,719.44 and 2,725.12 is: 3,761.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,143.92 : 5,719.44 = 2,725.12 : x
  2. Step 2: Convert to fraction form
    4,143.92/5,719.44 = 2,725.12/x
  3. Step 3: Cross multiply
    4,143.92x = 5,719.44 × 2,725.12
  4. Step 4: Simplify right side
    4,143.92x = 15,586,160.33
  5. Step 5: Solve for x
    x = 15,586,160.33/4,143.92
  6. Step 6: Final answer
    x = 3,761.21

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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.