Home / 2,218.14-3,329.28-1,179.36

Finding the Fourth Proportional to 2,218.14, 3,329.28 and 1,179.36

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Solution

The fourth proportional to 2,218.14, 3,329.28 and 1,179.36 is: 1,770.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218.14 : 3,329.28 = 1,179.36 : x
  2. Step 2: Convert to fraction form
    2,218.14/3,329.28 = 1,179.36/x
  3. Step 3: Cross multiply
    2,218.14x = 3,329.28 × 1,179.36
  4. Step 4: Simplify right side
    2,218.14x = 3,926,419.66
  5. Step 5: Solve for x
    x = 3,926,419.66/2,218.14
  6. Step 6: Final answer
    x = 1,770.14

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1.5x scale

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.