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Finding the Fourth Proportional to 3,651.90, 5,473.73 and 1,799.09

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Solution

The fourth proportional to 3,651.90, 5,473.73 and 1,799.09 is: 2,696.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,651.90 : 5,473.73 = 1,799.09 : x
  2. Step 2: Convert to fraction form
    3,651.90/5,473.73 = 1,799.09/x
  3. Step 3: Cross multiply
    3,651.90x = 5,473.73 × 1,799.09
  4. Step 4: Simplify right side
    3,651.90x = 9,847,705.54
  5. Step 5: Solve for x
    x = 9,847,705.54/3,651.90
  6. Step 6: Final answer
    x = 2,696.60

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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.