Home / 3,886.73-5,361.84-2,628.23

Finding the Fourth Proportional to 3,886.73, 5,361.84 and 2,628.23

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Solution

The fourth proportional to 3,886.73, 5,361.84 and 2,628.23 is: 3,625.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886.73 : 5,361.84 = 2,628.23 : x
  2. Step 2: Convert to fraction form
    3,886.73/5,361.84 = 2,628.23/x
  3. Step 3: Cross multiply
    3,886.73x = 5,361.84 × 2,628.23
  4. Step 4: Simplify right side
    3,886.73x = 14,092,121.93
  5. Step 5: Solve for x
    x = 14,092,121.93/3,886.73
  6. Step 6: Final answer
    x = 3,625.71

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1.5x scale

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.