Home / 3,267.88-4,902.54-1,419.28

Finding the Fourth Proportional to 3,267.88, 4,902.54 and 1,419.28

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Solution

The fourth proportional to 3,267.88, 4,902.54 and 1,419.28 is: 2,129.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,267.88 : 4,902.54 = 1,419.28 : x
  2. Step 2: Convert to fraction form
    3,267.88/4,902.54 = 1,419.28/x
  3. Step 3: Cross multiply
    3,267.88x = 4,902.54 × 1,419.28
  4. Step 4: Simplify right side
    3,267.88x = 6,958,076.97
  5. Step 5: Solve for x
    x = 6,958,076.97/3,267.88
  6. Step 6: Final answer
    x = 2,129.23

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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.