Home / 2,841.96-3,919.34-2,236.56

Finding the Fourth Proportional to 2,841.96, 3,919.34 and 2,236.56

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Solution

The fourth proportional to 2,841.96, 3,919.34 and 2,236.56 is: 3,084.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,841.96 : 3,919.34 = 2,236.56 : x
  2. Step 2: Convert to fraction form
    2,841.96/3,919.34 = 2,236.56/x
  3. Step 3: Cross multiply
    2,841.96x = 3,919.34 × 2,236.56
  4. Step 4: Simplify right side
    2,841.96x = 8,765,839.43
  5. Step 5: Solve for x
    x = 8,765,839.43/2,841.96
  6. Step 6: Final answer
    x = 3,084.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.