Home / 2,745.82-4,116.57-1,965.25

Finding the Fourth Proportional to 2,745.82, 4,116.57 and 1,965.25

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Solution

The fourth proportional to 2,745.82, 4,116.57 and 1,965.25 is: 2,946.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.82 : 4,116.57 = 1,965.25 : x
  2. Step 2: Convert to fraction form
    2,745.82/4,116.57 = 1,965.25/x
  3. Step 3: Cross multiply
    2,745.82x = 4,116.57 × 1,965.25
  4. Step 4: Simplify right side
    2,745.82x = 8,090,089.19
  5. Step 5: Solve for x
    x = 8,090,089.19/2,745.82
  6. Step 6: Final answer
    x = 2,946.33

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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.