Home / 2,183.13-3,272.81-883.76

Finding the Fourth Proportional to 2,183.13, 3,272.81 and 883.76

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Solution

The fourth proportional to 2,183.13, 3,272.81 and 883.76 is: 1,324.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.13 : 3,272.81 = 883.76 : x
  2. Step 2: Convert to fraction form
    2,183.13/3,272.81 = 883.76/x
  3. Step 3: Cross multiply
    2,183.13x = 3,272.81 × 883.76
  4. Step 4: Simplify right side
    2,183.13x = 2,892,357.78
  5. Step 5: Solve for x
    x = 2,892,357.78/2,183.13
  6. Step 6: Final answer
    x = 1,324.87

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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.