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Finding the Fourth Proportional to 2,559.08, 3,838.62 and 827.84

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Solution

The fourth proportional to 2,559.08, 3,838.62 and 827.84 is: 1,241.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,559.08 : 3,838.62 = 827.84 : x
  2. Step 2: Convert to fraction form
    2,559.08/3,838.62 = 827.84/x
  3. Step 3: Cross multiply
    2,559.08x = 3,838.62 × 827.84
  4. Step 4: Simplify right side
    2,559.08x = 3,177,763.18
  5. Step 5: Solve for x
    x = 3,177,763.18/2,559.08
  6. Step 6: Final answer
    x = 1,241.76

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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.