Home / 3,769.39-5,195.76-2,971.42

Finding the Fourth Proportional to 3,769.39, 5,195.76 and 2,971.42

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Solution

The fourth proportional to 3,769.39, 5,195.76 and 2,971.42 is: 4,095.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,769.39 : 5,195.76 = 2,971.42 : x
  2. Step 2: Convert to fraction form
    3,769.39/5,195.76 = 2,971.42/x
  3. Step 3: Cross multiply
    3,769.39x = 5,195.76 × 2,971.42
  4. Step 4: Simplify right side
    3,769.39x = 15,438,785.18
  5. Step 5: Solve for x
    x = 15,438,785.18/3,769.39
  6. Step 6: Final answer
    x = 4,095.83

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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.