Home / 3,725.23-5,143.22-2,310.42

Finding the Fourth Proportional to 3,725.23, 5,143.22 and 2,310.42

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Solution

The fourth proportional to 3,725.23, 5,143.22 and 2,310.42 is: 3,189.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,725.23 : 5,143.22 = 2,310.42 : x
  2. Step 2: Convert to fraction form
    3,725.23/5,143.22 = 2,310.42/x
  3. Step 3: Cross multiply
    3,725.23x = 5,143.22 × 2,310.42
  4. Step 4: Simplify right side
    3,725.23x = 11,882,998.35
  5. Step 5: Solve for x
    x = 11,882,998.35/3,725.23
  6. Step 6: Final answer
    x = 3,189.87

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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.