Home / 2,183.31-3,012.48-1,251.81

Finding the Fourth Proportional to 2,183.31, 3,012.48 and 1,251.81

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Solution

The fourth proportional to 2,183.31, 3,012.48 and 1,251.81 is: 1,727.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.31 : 3,012.48 = 1,251.81 : x
  2. Step 2: Convert to fraction form
    2,183.31/3,012.48 = 1,251.81/x
  3. Step 3: Cross multiply
    2,183.31x = 3,012.48 × 1,251.81
  4. Step 4: Simplify right side
    2,183.31x = 3,771,052.59
  5. Step 5: Solve for x
    x = 3,771,052.59/2,183.31
  6. Step 6: Final answer
    x = 1,727.22

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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.