Home / 3,268.88-4,512-2,261.04

Finding the Fourth Proportional to 3,268.88, 4,512 and 2,261.04

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Solution

The fourth proportional to 3,268.88, 4,512 and 2,261.04 is: 3,120.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,268.88 : 4,512 = 2,261.04 : x
  2. Step 2: Convert to fraction form
    3,268.88/4,512 = 2,261.04/x
  3. Step 3: Cross multiply
    3,268.88x = 4,512 × 2,261.04
  4. Step 4: Simplify right side
    3,268.88x = 10,201,812.48
  5. Step 5: Solve for x
    x = 10,201,812.48/3,268.88
  6. Step 6: Final answer
    x = 3,120.89

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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.