Home / 4,138.22-5,711.67-2,370.80

Finding the Fourth Proportional to 4,138.22, 5,711.67 and 2,370.80

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Solution

The fourth proportional to 4,138.22, 5,711.67 and 2,370.80 is: 3,272.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.22 : 5,711.67 = 2,370.80 : x
  2. Step 2: Convert to fraction form
    4,138.22/5,711.67 = 2,370.80/x
  3. Step 3: Cross multiply
    4,138.22x = 5,711.67 × 2,370.80
  4. Step 4: Simplify right side
    4,138.22x = 13,541,198.68
  5. Step 5: Solve for x
    x = 13,541,198.68/4,138.22
  6. Step 6: Final answer
    x = 3,272.23

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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.