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Finding the Fourth Proportional to 2,836.89, 4,250.45 and 2,213.42

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Solution

The fourth proportional to 2,836.89, 4,250.45 and 2,213.42 is: 3,316.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.89 : 4,250.45 = 2,213.42 : x
  2. Step 2: Convert to fraction form
    2,836.89/4,250.45 = 2,213.42/x
  3. Step 3: Cross multiply
    2,836.89x = 4,250.45 × 2,213.42
  4. Step 4: Simplify right side
    2,836.89x = 9,408,019.97
  5. Step 5: Solve for x
    x = 9,408,019.97/2,836.89
  6. Step 6: Final answer
    x = 3,316.31

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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.