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Finding the Fourth Proportional to 2,667.41, 4,000.92 and 818.37

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Solution

The fourth proportional to 2,667.41, 4,000.92 and 818.37 is: 1,227.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,667.41 : 4,000.92 = 818.37 : x
  2. Step 2: Convert to fraction form
    2,667.41/4,000.92 = 818.37/x
  3. Step 3: Cross multiply
    2,667.41x = 4,000.92 × 818.37
  4. Step 4: Simplify right side
    2,667.41x = 3,274,232.90
  5. Step 5: Solve for x
    x = 3,274,232.90/2,667.41
  6. Step 6: Final answer
    x = 1,227.50

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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.