Home / 2,787.53-4,149.44-2,745.99

Finding the Fourth Proportional to 2,787.53, 4,149.44 and 2,745.99

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Solution

The fourth proportional to 2,787.53, 4,149.44 and 2,745.99 is: 4,087.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,787.53 : 4,149.44 = 2,745.99 : x
  2. Step 2: Convert to fraction form
    2,787.53/4,149.44 = 2,745.99/x
  3. Step 3: Cross multiply
    2,787.53x = 4,149.44 × 2,745.99
  4. Step 4: Simplify right side
    2,787.53x = 11,394,317.31
  5. Step 5: Solve for x
    x = 11,394,317.31/2,787.53
  6. Step 6: Final answer
    x = 4,087.61

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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.