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Finding the Fourth Proportional to 2,722.92, 3,759.18 and 1,793.04

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Solution

The fourth proportional to 2,722.92, 3,759.18 and 1,793.04 is: 2,475.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.92 : 3,759.18 = 1,793.04 : x
  2. Step 2: Convert to fraction form
    2,722.92/3,759.18 = 1,793.04/x
  3. Step 3: Cross multiply
    2,722.92x = 3,759.18 × 1,793.04
  4. Step 4: Simplify right side
    2,722.92x = 6,740,360.11
  5. Step 5: Solve for x
    x = 6,740,360.11/2,722.92
  6. Step 6: Final answer
    x = 2,475.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.