Home / 2,183.21-3,250.13-2,170.24

Finding the Fourth Proportional to 2,183.21, 3,250.13 and 2,170.24

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Solution

The fourth proportional to 2,183.21, 3,250.13 and 2,170.24 is: 3,230.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.21 : 3,250.13 = 2,170.24 : x
  2. Step 2: Convert to fraction form
    2,183.21/3,250.13 = 2,170.24/x
  3. Step 3: Cross multiply
    2,183.21x = 3,250.13 × 2,170.24
  4. Step 4: Simplify right side
    2,183.21x = 7,053,535.03
  5. Step 5: Solve for x
    x = 7,053,535.03/2,183.21
  6. Step 6: Final answer
    x = 3,230.81

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Half scale
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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.