Home / 2,629.16-3,936.87-2,551.23

Finding the Fourth Proportional to 2,629.16, 3,936.87 and 2,551.23

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Solution

The fourth proportional to 2,629.16, 3,936.87 and 2,551.23 is: 3,820.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629.16 : 3,936.87 = 2,551.23 : x
  2. Step 2: Convert to fraction form
    2,629.16/3,936.87 = 2,551.23/x
  3. Step 3: Cross multiply
    2,629.16x = 3,936.87 × 2,551.23
  4. Step 4: Simplify right side
    2,629.16x = 10,043,860.85
  5. Step 5: Solve for x
    x = 10,043,860.85/2,629.16
  6. Step 6: Final answer
    x = 3,820.18

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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.