Home / 2,972.97-4,456.94-1,194.21

Finding the Fourth Proportional to 2,972.97, 4,456.94 and 1,194.21

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Solution

The fourth proportional to 2,972.97, 4,456.94 and 1,194.21 is: 1,790.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.97 : 4,456.94 = 1,194.21 : x
  2. Step 2: Convert to fraction form
    2,972.97/4,456.94 = 1,194.21/x
  3. Step 3: Cross multiply
    2,972.97x = 4,456.94 × 1,194.21
  4. Step 4: Simplify right side
    2,972.97x = 5,322,516.35
  5. Step 5: Solve for x
    x = 5,322,516.35/2,972.97
  6. Step 6: Final answer
    x = 1,790.30

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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.