Home / 2,922.54-4,361.31-2,611.11

Finding the Fourth Proportional to 2,922.54, 4,361.31 and 2,611.11

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Solution

The fourth proportional to 2,922.54, 4,361.31 and 2,611.11 is: 3,896.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.54 : 4,361.31 = 2,611.11 : x
  2. Step 2: Convert to fraction form
    2,922.54/4,361.31 = 2,611.11/x
  3. Step 3: Cross multiply
    2,922.54x = 4,361.31 × 2,611.11
  4. Step 4: Simplify right side
    2,922.54x = 11,387,860.15
  5. Step 5: Solve for x
    x = 11,387,860.15/2,922.54
  6. Step 6: Final answer
    x = 3,896.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.