Home / 2,192.96-3,285.12-1,094

Finding the Fourth Proportional to 2,192.96, 3,285.12 and 1,094

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Solution

The fourth proportional to 2,192.96, 3,285.12 and 1,094 is: 1,638.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192.96 : 3,285.12 = 1,094 : x
  2. Step 2: Convert to fraction form
    2,192.96/3,285.12 = 1,094/x
  3. Step 3: Cross multiply
    2,192.96x = 3,285.12 × 1,094
  4. Step 4: Simplify right side
    2,192.96x = 3,593,921.28
  5. Step 5: Solve for x
    x = 3,593,921.28/2,192.96
  6. Step 6: Final answer
    x = 1,638.84

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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.