Home / 2,194.41-3,291.76-1,084.40

Finding the Fourth Proportional to 2,194.41, 3,291.76 and 1,084.40

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Solution

The fourth proportional to 2,194.41, 3,291.76 and 1,084.40 is: 1,626.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,194.41 : 3,291.76 = 1,084.40 : x
  2. Step 2: Convert to fraction form
    2,194.41/3,291.76 = 1,084.40/x
  3. Step 3: Cross multiply
    2,194.41x = 3,291.76 × 1,084.40
  4. Step 4: Simplify right side
    2,194.41x = 3,569,594.13
  5. Step 5: Solve for x
    x = 3,569,594.13/2,194.41
  6. Step 6: Final answer
    x = 1,626.68

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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.