Home / 4,149.82-5,725.61-2,889.46

Finding the Fourth Proportional to 4,149.82, 5,725.61 and 2,889.46

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Solution

The fourth proportional to 4,149.82, 5,725.61 and 2,889.46 is: 3,986.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,149.82 : 5,725.61 = 2,889.46 : x
  2. Step 2: Convert to fraction form
    4,149.82/5,725.61 = 2,889.46/x
  3. Step 3: Cross multiply
    4,149.82x = 5,725.61 × 2,889.46
  4. Step 4: Simplify right side
    4,149.82x = 16,543,892.44
  5. Step 5: Solve for x
    x = 16,543,892.44/4,149.82
  6. Step 6: Final answer
    x = 3,986.66

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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.