Home / 2,183.44-3,279.36-1,871.80

Finding the Fourth Proportional to 2,183.44, 3,279.36 and 1,871.80

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Solution

The fourth proportional to 2,183.44, 3,279.36 and 1,871.80 is: 2,811.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.44 : 3,279.36 = 1,871.80 : x
  2. Step 2: Convert to fraction form
    2,183.44/3,279.36 = 1,871.80/x
  3. Step 3: Cross multiply
    2,183.44x = 3,279.36 × 1,871.80
  4. Step 4: Simplify right side
    2,183.44x = 6,138,306.05
  5. Step 5: Solve for x
    x = 6,138,306.05/2,183.44
  6. Step 6: Final answer
    x = 2,811.30

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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.