Home / 2,555.28-3,523.92-2,183.28

Finding the Fourth Proportional to 2,555.28, 3,523.92 and 2,183.28

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Solution

The fourth proportional to 2,555.28, 3,523.92 and 2,183.28 is: 3,010.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,555.28 : 3,523.92 = 2,183.28 : x
  2. Step 2: Convert to fraction form
    2,555.28/3,523.92 = 2,183.28/x
  3. Step 3: Cross multiply
    2,555.28x = 3,523.92 × 2,183.28
  4. Step 4: Simplify right side
    2,555.28x = 7,693,704.06
  5. Step 5: Solve for x
    x = 7,693,704.06/2,555.28
  6. Step 6: Final answer
    x = 3,010.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.