Home / 2,306.57-3,456.20-1,209.83

Finding the Fourth Proportional to 2,306.57, 3,456.20 and 1,209.83

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Solution

The fourth proportional to 2,306.57, 3,456.20 and 1,209.83 is: 1,812.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,306.57 : 3,456.20 = 1,209.83 : x
  2. Step 2: Convert to fraction form
    2,306.57/3,456.20 = 1,209.83/x
  3. Step 3: Cross multiply
    2,306.57x = 3,456.20 × 1,209.83
  4. Step 4: Simplify right side
    2,306.57x = 4,181,391.12
  5. Step 5: Solve for x
    x = 4,181,391.12/2,306.57
  6. Step 6: Final answer
    x = 1,812.82

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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.