Home / 2,092.52-3,138.78-1,226.22

Finding the Fourth Proportional to 2,092.52, 3,138.78 and 1,226.22

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Solution

The fourth proportional to 2,092.52, 3,138.78 and 1,226.22 is: 1,839.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,092.52 : 3,138.78 = 1,226.22 : x
  2. Step 2: Convert to fraction form
    2,092.52/3,138.78 = 1,226.22/x
  3. Step 3: Cross multiply
    2,092.52x = 3,138.78 × 1,226.22
  4. Step 4: Simplify right side
    2,092.52x = 3,848,834.81
  5. Step 5: Solve for x
    x = 3,848,834.81/2,092.52
  6. Step 6: Final answer
    x = 1,839.33

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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.