Home / 2,268.25-3,401.16-787.09

Finding the Fourth Proportional to 2,268.25, 3,401.16 and 787.09

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Solution

The fourth proportional to 2,268.25, 3,401.16 and 787.09 is: 1,180.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,268.25 : 3,401.16 = 787.09 : x
  2. Step 2: Convert to fraction form
    2,268.25/3,401.16 = 787.09/x
  3. Step 3: Cross multiply
    2,268.25x = 3,401.16 × 787.09
  4. Step 4: Simplify right side
    2,268.25x = 2,677,019.02
  5. Step 5: Solve for x
    x = 2,677,019.02/2,268.25
  6. Step 6: Final answer
    x = 1,180.21

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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.