Home / 2,194.46-3,291.59-1,219.94

Finding the Fourth Proportional to 2,194.46, 3,291.59 and 1,219.94

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Solution

The fourth proportional to 2,194.46, 3,291.59 and 1,219.94 is: 1,829.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,194.46 : 3,291.59 = 1,219.94 : x
  2. Step 2: Convert to fraction form
    2,194.46/3,291.59 = 1,219.94/x
  3. Step 3: Cross multiply
    2,194.46x = 3,291.59 × 1,219.94
  4. Step 4: Simplify right side
    2,194.46x = 4,015,542.30
  5. Step 5: Solve for x
    x = 4,015,542.30/2,194.46
  6. Step 6: Final answer
    x = 1,829.85

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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.