Home / 2,192.88-3,286.98-1,095.06

Finding the Fourth Proportional to 2,192.88, 3,286.98 and 1,095.06

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Solution

The fourth proportional to 2,192.88, 3,286.98 and 1,095.06 is: 1,641.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192.88 : 3,286.98 = 1,095.06 : x
  2. Step 2: Convert to fraction form
    2,192.88/3,286.98 = 1,095.06/x
  3. Step 3: Cross multiply
    2,192.88x = 3,286.98 × 1,095.06
  4. Step 4: Simplify right side
    2,192.88x = 3,599,440.32
  5. Step 5: Solve for x
    x = 3,599,440.32/2,192.88
  6. Step 6: Final answer
    x = 1,641.42

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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.