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Finding the Fourth Proportional to 2,797.30, 4,195.95 and 2,724.22

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Solution

The fourth proportional to 2,797.30, 4,195.95 and 2,724.22 is: 4,086.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,797.30 : 4,195.95 = 2,724.22 : x
  2. Step 2: Convert to fraction form
    2,797.30/4,195.95 = 2,724.22/x
  3. Step 3: Cross multiply
    2,797.30x = 4,195.95 × 2,724.22
  4. Step 4: Simplify right side
    2,797.30x = 11,430,690.91
  5. Step 5: Solve for x
    x = 11,430,690.91/2,797.30
  6. Step 6: Final answer
    x = 4,086.33

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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.