Home / 3,769.43-5,202.12-2,091.38

Finding the Fourth Proportional to 3,769.43, 5,202.12 and 2,091.38

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Solution

The fourth proportional to 3,769.43, 5,202.12 and 2,091.38 is: 2,886.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,769.43 : 5,202.12 = 2,091.38 : x
  2. Step 2: Convert to fraction form
    3,769.43/5,202.12 = 2,091.38/x
  3. Step 3: Cross multiply
    3,769.43x = 5,202.12 × 2,091.38
  4. Step 4: Simplify right side
    3,769.43x = 10,879,583.72
  5. Step 5: Solve for x
    x = 10,879,583.72/3,769.43
  6. Step 6: Final answer
    x = 2,886.27

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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.