Home / 3,838.03-5,754.30-1,645.57

Finding the Fourth Proportional to 3,838.03, 5,754.30 and 1,645.57

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Solution

The fourth proportional to 3,838.03, 5,754.30 and 1,645.57 is: 2,467.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,838.03 : 5,754.30 = 1,645.57 : x
  2. Step 2: Convert to fraction form
    3,838.03/5,754.30 = 1,645.57/x
  3. Step 3: Cross multiply
    3,838.03x = 5,754.30 × 1,645.57
  4. Step 4: Simplify right side
    3,838.03x = 9,469,074.68
  5. Step 5: Solve for x
    x = 9,469,074.68/3,838.03
  6. Step 6: Final answer
    x = 2,467.17

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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.