Home / 3,634.39-5,453.97-1,992.09

Finding the Fourth Proportional to 3,634.39, 5,453.97 and 1,992.09

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Solution

The fourth proportional to 3,634.39, 5,453.97 and 1,992.09 is: 2,989.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,634.39 : 5,453.97 = 1,992.09 : x
  2. Step 2: Convert to fraction form
    3,634.39/5,453.97 = 1,992.09/x
  3. Step 3: Cross multiply
    3,634.39x = 5,453.97 × 1,992.09
  4. Step 4: Simplify right side
    3,634.39x = 10,864,812.08
  5. Step 5: Solve for x
    x = 10,864,812.08/3,634.39
  6. Step 6: Final answer
    x = 2,989.45

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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.