Home / 2,262.11-3,370.94-2,187.78

Finding the Fourth Proportional to 2,262.11, 3,370.94 and 2,187.78

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Solution

The fourth proportional to 2,262.11, 3,370.94 and 2,187.78 is: 3,260.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,262.11 : 3,370.94 = 2,187.78 : x
  2. Step 2: Convert to fraction form
    2,262.11/3,370.94 = 2,187.78/x
  3. Step 3: Cross multiply
    2,262.11x = 3,370.94 × 2,187.78
  4. Step 4: Simplify right side
    2,262.11x = 7,374,880.58
  5. Step 5: Solve for x
    x = 7,374,880.58/2,262.11
  6. Step 6: Final answer
    x = 3,260.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.