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Finding the Fourth Proportional to 3,992.97, 5,993.64 and 1,914.74

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Solution

The fourth proportional to 3,992.97, 5,993.64 and 1,914.74 is: 2,874.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992.97 : 5,993.64 = 1,914.74 : x
  2. Step 2: Convert to fraction form
    3,992.97/5,993.64 = 1,914.74/x
  3. Step 3: Cross multiply
    3,992.97x = 5,993.64 × 1,914.74
  4. Step 4: Simplify right side
    3,992.97x = 11,476,232.29
  5. Step 5: Solve for x
    x = 11,476,232.29/3,992.97
  6. Step 6: Final answer
    x = 2,874.11

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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.