Home / 2,194.46-3,291.79-551.02

Finding the Fourth Proportional to 2,194.46, 3,291.79 and 551.02

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Solution

The fourth proportional to 2,194.46, 3,291.79 and 551.02 is: 826.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,194.46 : 3,291.79 = 551.02 : x
  2. Step 2: Convert to fraction form
    2,194.46/3,291.79 = 551.02/x
  3. Step 3: Cross multiply
    2,194.46x = 3,291.79 × 551.02
  4. Step 4: Simplify right side
    2,194.46x = 1,813,839.72
  5. Step 5: Solve for x
    x = 1,813,839.72/2,194.46
  6. Step 6: Final answer
    x = 826.55

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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.