Home / 3,378.14-5,067.50-1,186.68

Finding the Fourth Proportional to 3,378.14, 5,067.50 and 1,186.68

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Solution

The fourth proportional to 3,378.14, 5,067.50 and 1,186.68 is: 1,780.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378.14 : 5,067.50 = 1,186.68 : x
  2. Step 2: Convert to fraction form
    3,378.14/5,067.50 = 1,186.68/x
  3. Step 3: Cross multiply
    3,378.14x = 5,067.50 × 1,186.68
  4. Step 4: Simplify right side
    3,378.14x = 6,013,500.90
  5. Step 5: Solve for x
    x = 6,013,500.90/3,378.14
  6. Step 6: Final answer
    x = 1,780.12

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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.