Home / 2,629.82-3,626.15-1,965.56

Finding the Fourth Proportional to 2,629.82, 3,626.15 and 1,965.56

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Solution

The fourth proportional to 2,629.82, 3,626.15 and 1,965.56 is: 2,710.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629.82 : 3,626.15 = 1,965.56 : x
  2. Step 2: Convert to fraction form
    2,629.82/3,626.15 = 1,965.56/x
  3. Step 3: Cross multiply
    2,629.82x = 3,626.15 × 1,965.56
  4. Step 4: Simplify right side
    2,629.82x = 7,127,387.44
  5. Step 5: Solve for x
    x = 7,127,387.44/2,629.82
  6. Step 6: Final answer
    x = 2,710.22

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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.