Home / 2,629.18-3,936.92-2,551.26

Finding the Fourth Proportional to 2,629.18, 3,936.92 and 2,551.26

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Solution

The fourth proportional to 2,629.18, 3,936.92 and 2,551.26 is: 3,820.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629.18 : 3,936.92 = 2,551.26 : x
  2. Step 2: Convert to fraction form
    2,629.18/3,936.92 = 2,551.26/x
  3. Step 3: Cross multiply
    2,629.18x = 3,936.92 × 2,551.26
  4. Step 4: Simplify right side
    2,629.18x = 10,044,122.74
  5. Step 5: Solve for x
    x = 10,044,122.74/2,629.18
  6. Step 6: Final answer
    x = 3,820.26

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1.5x scale

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.