Home / 2,745.45-3,788.41-1,626.43

Finding the Fourth Proportional to 2,745.45, 3,788.41 and 1,626.43

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Solution

The fourth proportional to 2,745.45, 3,788.41 and 1,626.43 is: 2,244.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.45 : 3,788.41 = 1,626.43 : x
  2. Step 2: Convert to fraction form
    2,745.45/3,788.41 = 1,626.43/x
  3. Step 3: Cross multiply
    2,745.45x = 3,788.41 × 1,626.43
  4. Step 4: Simplify right side
    2,745.45x = 6,161,583.68
  5. Step 5: Solve for x
    x = 6,161,583.68/2,745.45
  6. Step 6: Final answer
    x = 2,244.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.