Home / 2,177.22-3,262.94-1,138.11

Finding the Fourth Proportional to 2,177.22, 3,262.94 and 1,138.11

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Solution

The fourth proportional to 2,177.22, 3,262.94 and 1,138.11 is: 1,705.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.22 : 3,262.94 = 1,138.11 : x
  2. Step 2: Convert to fraction form
    2,177.22/3,262.94 = 1,138.11/x
  3. Step 3: Cross multiply
    2,177.22x = 3,262.94 × 1,138.11
  4. Step 4: Simplify right side
    2,177.22x = 3,713,584.64
  5. Step 5: Solve for x
    x = 3,713,584.64/2,177.22
  6. Step 6: Final answer
    x = 1,705.65

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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.