Home / 2,251.98-3,377.97-1,278.77

Finding the Fourth Proportional to 2,251.98, 3,377.97 and 1,278.77

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Solution

The fourth proportional to 2,251.98, 3,377.97 and 1,278.77 is: 1,918.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251.98 : 3,377.97 = 1,278.77 : x
  2. Step 2: Convert to fraction form
    2,251.98/3,377.97 = 1,278.77/x
  3. Step 3: Cross multiply
    2,251.98x = 3,377.97 × 1,278.77
  4. Step 4: Simplify right side
    2,251.98x = 4,319,629.81
  5. Step 5: Solve for x
    x = 4,319,629.81/2,251.98
  6. Step 6: Final answer
    x = 1,918.15

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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.