Home / 3,144.62-4,340.57-2,149.53

Finding the Fourth Proportional to 3,144.62, 4,340.57 and 2,149.53

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Solution

The fourth proportional to 3,144.62, 4,340.57 and 2,149.53 is: 2,967.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.62 : 4,340.57 = 2,149.53 : x
  2. Step 2: Convert to fraction form
    3,144.62/4,340.57 = 2,149.53/x
  3. Step 3: Cross multiply
    3,144.62x = 4,340.57 × 2,149.53
  4. Step 4: Simplify right side
    3,144.62x = 9,330,174.68
  5. Step 5: Solve for x
    x = 9,330,174.68/3,144.62
  6. Step 6: Final answer
    x = 2,967.03

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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.