Home / 2,469.25-3,687.59-2,197.09

Finding the Fourth Proportional to 2,469.25, 3,687.59 and 2,197.09

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Solution

The fourth proportional to 2,469.25, 3,687.59 and 2,197.09 is: 3,281.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,469.25 : 3,687.59 = 2,197.09 : x
  2. Step 2: Convert to fraction form
    2,469.25/3,687.59 = 2,197.09/x
  3. Step 3: Cross multiply
    2,469.25x = 3,687.59 × 2,197.09
  4. Step 4: Simplify right side
    2,469.25x = 8,101,967.11
  5. Step 5: Solve for x
    x = 8,101,967.11/2,469.25
  6. Step 6: Final answer
    x = 3,281.14

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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.