Home / 1,441.90-2,162.85-1,198.60

Finding the Fourth Proportional to 1,441.90, 2,162.85 and 1,198.60

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Solution

The fourth proportional to 1,441.90, 2,162.85 and 1,198.60 is: 1,797.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441.90 : 2,162.85 = 1,198.60 : x
  2. Step 2: Convert to fraction form
    1,441.90/2,162.85 = 1,198.60/x
  3. Step 3: Cross multiply
    1,441.90x = 2,162.85 × 1,198.60
  4. Step 4: Simplify right side
    1,441.90x = 2,592,388.85
  5. Step 5: Solve for x
    x = 2,592,388.85/1,441.90
  6. Step 6: Final answer
    x = 1,797.90

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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.