Home / 3,538.20-5,307.15-1,198.05

Finding the Fourth Proportional to 3,538.20, 5,307.15 and 1,198.05

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Solution

The fourth proportional to 3,538.20, 5,307.15 and 1,198.05 is: 1,797.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.20 : 5,307.15 = 1,198.05 : x
  2. Step 2: Convert to fraction form
    3,538.20/5,307.15 = 1,198.05/x
  3. Step 3: Cross multiply
    3,538.20x = 5,307.15 × 1,198.05
  4. Step 4: Simplify right side
    3,538.20x = 6,358,231.06
  5. Step 5: Solve for x
    x = 6,358,231.06/3,538.20
  6. Step 6: Final answer
    x = 1,797.02

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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.