Home / 3,147.14-4,722.78-2,735.66

Finding the Fourth Proportional to 3,147.14, 4,722.78 and 2,735.66

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Solution

The fourth proportional to 3,147.14, 4,722.78 and 2,735.66 is: 4,105.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147.14 : 4,722.78 = 2,735.66 : x
  2. Step 2: Convert to fraction form
    3,147.14/4,722.78 = 2,735.66/x
  3. Step 3: Cross multiply
    3,147.14x = 4,722.78 × 2,735.66
  4. Step 4: Simplify right side
    3,147.14x = 12,919,920.33
  5. Step 5: Solve for x
    x = 12,919,920.33/3,147.14
  6. Step 6: Final answer
    x = 4,105.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.