Home / 2,183.18-3,257.90-1,949.56

Finding the Fourth Proportional to 2,183.18, 3,257.90 and 1,949.56

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Solution

The fourth proportional to 2,183.18, 3,257.90 and 1,949.56 is: 2,909.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.18 : 3,257.90 = 1,949.56 : x
  2. Step 2: Convert to fraction form
    2,183.18/3,257.90 = 1,949.56/x
  3. Step 3: Cross multiply
    2,183.18x = 3,257.90 × 1,949.56
  4. Step 4: Simplify right side
    2,183.18x = 6,351,471.52
  5. Step 5: Solve for x
    x = 6,351,471.52/2,183.18
  6. Step 6: Final answer
    x = 2,909.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.