Home / 2,208.80-3,314.12-1,168.58

Finding the Fourth Proportional to 2,208.80, 3,314.12 and 1,168.58

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Solution

The fourth proportional to 2,208.80, 3,314.12 and 1,168.58 is: 1,753.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.80 : 3,314.12 = 1,168.58 : x
  2. Step 2: Convert to fraction form
    2,208.80/3,314.12 = 1,168.58/x
  3. Step 3: Cross multiply
    2,208.80x = 3,314.12 × 1,168.58
  4. Step 4: Simplify right side
    2,208.80x = 3,872,791.94
  5. Step 5: Solve for x
    x = 3,872,791.94/2,208.80
  6. Step 6: Final answer
    x = 1,753.35

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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.