Home / 2,745.93-3,788.79-1,627.22

Finding the Fourth Proportional to 2,745.93, 3,788.79 and 1,627.22

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Solution

The fourth proportional to 2,745.93, 3,788.79 and 1,627.22 is: 2,245.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.93 : 3,788.79 = 1,627.22 : x
  2. Step 2: Convert to fraction form
    2,745.93/3,788.79 = 1,627.22/x
  3. Step 3: Cross multiply
    2,745.93x = 3,788.79 × 1,627.22
  4. Step 4: Simplify right side
    2,745.93x = 6,165,175.92
  5. Step 5: Solve for x
    x = 6,165,175.92/2,745.93
  6. Step 6: Final answer
    x = 2,245.21

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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.