Home / 2,422.94-3,636.68-1,191.23

Finding the Fourth Proportional to 2,422.94, 3,636.68 and 1,191.23

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Solution

The fourth proportional to 2,422.94, 3,636.68 and 1,191.23 is: 1,787.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,422.94 : 3,636.68 = 1,191.23 : x
  2. Step 2: Convert to fraction form
    2,422.94/3,636.68 = 1,191.23/x
  3. Step 3: Cross multiply
    2,422.94x = 3,636.68 × 1,191.23
  4. Step 4: Simplify right side
    2,422.94x = 4,332,098.18
  5. Step 5: Solve for x
    x = 4,332,098.18/2,422.94
  6. Step 6: Final answer
    x = 1,787.95

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1.5x scale

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.