Home / 4,144.68-5,715.90-2,745

Finding the Fourth Proportional to 4,144.68, 5,715.90 and 2,745

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Solution

The fourth proportional to 4,144.68, 5,715.90 and 2,745 is: 3,785.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,144.68 : 5,715.90 = 2,745 : x
  2. Step 2: Convert to fraction form
    4,144.68/5,715.90 = 2,745/x
  3. Step 3: Cross multiply
    4,144.68x = 5,715.90 × 2,745
  4. Step 4: Simplify right side
    4,144.68x = 15,690,145.50
  5. Step 5: Solve for x
    x = 15,690,145.50/4,144.68
  6. Step 6: Final answer
    x = 3,785.61

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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.