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Finding the Fourth Proportional to 3,286.88, 4,926.04 and 2,938.16

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Solution

The fourth proportional to 3,286.88, 4,926.04 and 2,938.16 is: 4,403.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286.88 : 4,926.04 = 2,938.16 : x
  2. Step 2: Convert to fraction form
    3,286.88/4,926.04 = 2,938.16/x
  3. Step 3: Cross multiply
    3,286.88x = 4,926.04 × 2,938.16
  4. Step 4: Simplify right side
    3,286.88x = 14,473,493.69
  5. Step 5: Solve for x
    x = 14,473,493.69/3,286.88
  6. Step 6: Final answer
    x = 4,403.41

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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.