Home / 2,183.38-3,013-1,275.06

Finding the Fourth Proportional to 2,183.38, 3,013 and 1,275.06

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Solution

The fourth proportional to 2,183.38, 3,013 and 1,275.06 is: 1,759.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.38 : 3,013 = 1,275.06 : x
  2. Step 2: Convert to fraction form
    2,183.38/3,013 = 1,275.06/x
  3. Step 3: Cross multiply
    2,183.38x = 3,013 × 1,275.06
  4. Step 4: Simplify right side
    2,183.38x = 3,841,755.78
  5. Step 5: Solve for x
    x = 3,841,755.78/2,183.38
  6. Step 6: Final answer
    x = 1,759.55

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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.