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Finding the Fourth Proportional to 2,265.97, 3,396.83 and 1,224.43

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Solution

The fourth proportional to 2,265.97, 3,396.83 and 1,224.43 is: 1,835.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,265.97 : 3,396.83 = 1,224.43 : x
  2. Step 2: Convert to fraction form
    2,265.97/3,396.83 = 1,224.43/x
  3. Step 3: Cross multiply
    2,265.97x = 3,396.83 × 1,224.43
  4. Step 4: Simplify right side
    2,265.97x = 4,159,180.56
  5. Step 5: Solve for x
    x = 4,159,180.56/2,265.97
  6. Step 6: Final answer
    x = 1,835.50

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Double scale
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Similar ratio
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1.5x scale

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.