Home / 3,144.22-4,338.82-1,727.80

Finding the Fourth Proportional to 3,144.22, 4,338.82 and 1,727.80

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Solution

The fourth proportional to 3,144.22, 4,338.82 and 1,727.80 is: 2,384.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.22 : 4,338.82 = 1,727.80 : x
  2. Step 2: Convert to fraction form
    3,144.22/4,338.82 = 1,727.80/x
  3. Step 3: Cross multiply
    3,144.22x = 4,338.82 × 1,727.80
  4. Step 4: Simplify right side
    3,144.22x = 7,496,613.20
  5. Step 5: Solve for x
    x = 7,496,613.20/3,144.22
  6. Step 6: Final answer
    x = 2,384.25

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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.