Home / 2,217.11-3,324.57-1,267.16

Finding the Fourth Proportional to 2,217.11, 3,324.57 and 1,267.16

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Solution

The fourth proportional to 2,217.11, 3,324.57 and 1,267.16 is: 1,900.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217.11 : 3,324.57 = 1,267.16 : x
  2. Step 2: Convert to fraction form
    2,217.11/3,324.57 = 1,267.16/x
  3. Step 3: Cross multiply
    2,217.11x = 3,324.57 × 1,267.16
  4. Step 4: Simplify right side
    2,217.11x = 4,212,745.50
  5. Step 5: Solve for x
    x = 4,212,745.50/2,217.11
  6. Step 6: Final answer
    x = 1,900.11

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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.