Home / 2,251.71-3,377.61-1,212.57

Finding the Fourth Proportional to 2,251.71, 3,377.61 and 1,212.57

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Solution

The fourth proportional to 2,251.71, 3,377.61 and 1,212.57 is: 1,818.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251.71 : 3,377.61 = 1,212.57 : x
  2. Step 2: Convert to fraction form
    2,251.71/3,377.61 = 1,212.57/x
  3. Step 3: Cross multiply
    2,251.71x = 3,377.61 × 1,212.57
  4. Step 4: Simplify right side
    2,251.71x = 4,095,588.56
  5. Step 5: Solve for x
    x = 4,095,588.56/2,251.71
  6. Step 6: Final answer
    x = 1,818.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.