Home / 2,268.72-3,400.33-1,172.49

Finding the Fourth Proportional to 2,268.72, 3,400.33 and 1,172.49

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Solution

The fourth proportional to 2,268.72, 3,400.33 and 1,172.49 is: 1,757.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,268.72 : 3,400.33 = 1,172.49 : x
  2. Step 2: Convert to fraction form
    2,268.72/3,400.33 = 1,172.49/x
  3. Step 3: Cross multiply
    2,268.72x = 3,400.33 × 1,172.49
  4. Step 4: Simplify right side
    2,268.72x = 3,986,852.92
  5. Step 5: Solve for x
    x = 3,986,852.92/2,268.72
  6. Step 6: Final answer
    x = 1,757.31

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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.