Home / 2,183.19-3,012.74-1,251.63

Finding the Fourth Proportional to 2,183.19, 3,012.74 and 1,251.63

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Solution

The fourth proportional to 2,183.19, 3,012.74 and 1,251.63 is: 1,727.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.19 : 3,012.74 = 1,251.63 : x
  2. Step 2: Convert to fraction form
    2,183.19/3,012.74 = 1,251.63/x
  3. Step 3: Cross multiply
    2,183.19x = 3,012.74 × 1,251.63
  4. Step 4: Simplify right side
    2,183.19x = 3,770,823.83
  5. Step 5: Solve for x
    x = 3,770,823.83/2,183.19
  6. Step 6: Final answer
    x = 1,727.21

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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.