Home / 3,378.22-5,067.84-1,186.57

Finding the Fourth Proportional to 3,378.22, 5,067.84 and 1,186.57

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Solution

The fourth proportional to 3,378.22, 5,067.84 and 1,186.57 is: 1,780.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378.22 : 5,067.84 = 1,186.57 : x
  2. Step 2: Convert to fraction form
    3,378.22/5,067.84 = 1,186.57/x
  3. Step 3: Cross multiply
    3,378.22x = 5,067.84 × 1,186.57
  4. Step 4: Simplify right side
    3,378.22x = 6,013,346.91
  5. Step 5: Solve for x
    x = 6,013,346.91/3,378.22
  6. Step 6: Final answer
    x = 1,780.03

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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.