Home / 2,144.11-3,216.27-683.23

Finding the Fourth Proportional to 2,144.11, 3,216.27 and 683.23

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Solution

The fourth proportional to 2,144.11, 3,216.27 and 683.23 is: 1,024.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,144.11 : 3,216.27 = 683.23 : x
  2. Step 2: Convert to fraction form
    2,144.11/3,216.27 = 683.23/x
  3. Step 3: Cross multiply
    2,144.11x = 3,216.27 × 683.23
  4. Step 4: Simplify right side
    2,144.11x = 2,197,452.15
  5. Step 5: Solve for x
    x = 2,197,452.15/2,144.11
  6. Step 6: Final answer
    x = 1,024.88

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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.