Home / 3,706.38-5,115.22-2,134.44

Finding the Fourth Proportional to 3,706.38, 5,115.22 and 2,134.44

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Solution

The fourth proportional to 3,706.38, 5,115.22 and 2,134.44 is: 2,945.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,706.38 : 5,115.22 = 2,134.44 : x
  2. Step 2: Convert to fraction form
    3,706.38/5,115.22 = 2,134.44/x
  3. Step 3: Cross multiply
    3,706.38x = 5,115.22 × 2,134.44
  4. Step 4: Simplify right side
    3,706.38x = 10,918,124.84
  5. Step 5: Solve for x
    x = 10,918,124.84/3,706.38
  6. Step 6: Final answer
    x = 2,945.77

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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.