Home / 2,149.74-3,227.85-1,226.34

Finding the Fourth Proportional to 2,149.74, 3,227.85 and 1,226.34

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Solution

The fourth proportional to 2,149.74, 3,227.85 and 1,226.34 is: 1,841.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,149.74 : 3,227.85 = 1,226.34 : x
  2. Step 2: Convert to fraction form
    2,149.74/3,227.85 = 1,226.34/x
  3. Step 3: Cross multiply
    2,149.74x = 3,227.85 × 1,226.34
  4. Step 4: Simplify right side
    2,149.74x = 3,958,441.57
  5. Step 5: Solve for x
    x = 3,958,441.57/2,149.74
  6. Step 6: Final answer
    x = 1,841.36

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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.