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Finding the Fourth Proportional to 1,799.02, 2,694.60 and 872.62

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Solution

The fourth proportional to 1,799.02, 2,694.60 and 872.62 is: 1,307.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,799.02 : 2,694.60 = 872.62 : x
  2. Step 2: Convert to fraction form
    1,799.02/2,694.60 = 872.62/x
  3. Step 3: Cross multiply
    1,799.02x = 2,694.60 × 872.62
  4. Step 4: Simplify right side
    1,799.02x = 2,351,361.85
  5. Step 5: Solve for x
    x = 2,351,361.85/1,799.02
  6. Step 6: Final answer
    x = 1,307.02

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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.