Home / 2,183.28-3,013.20-1,251.84

Finding the Fourth Proportional to 2,183.28, 3,013.20 and 1,251.84

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Solution

The fourth proportional to 2,183.28, 3,013.20 and 1,251.84 is: 1,727.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.28 : 3,013.20 = 1,251.84 : x
  2. Step 2: Convert to fraction form
    2,183.28/3,013.20 = 1,251.84/x
  3. Step 3: Cross multiply
    2,183.28x = 3,013.20 × 1,251.84
  4. Step 4: Simplify right side
    2,183.28x = 3,772,044.29
  5. Step 5: Solve for x
    x = 3,772,044.29/2,183.28
  6. Step 6: Final answer
    x = 1,727.70

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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.