Home / 2,840.82-4,251.99-2,447.16

Finding the Fourth Proportional to 2,840.82, 4,251.99 and 2,447.16

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Solution

The fourth proportional to 2,840.82, 4,251.99 and 2,447.16 is: 3,662.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840.82 : 4,251.99 = 2,447.16 : x
  2. Step 2: Convert to fraction form
    2,840.82/4,251.99 = 2,447.16/x
  3. Step 3: Cross multiply
    2,840.82x = 4,251.99 × 2,447.16
  4. Step 4: Simplify right side
    2,840.82x = 10,405,299.85
  5. Step 5: Solve for x
    x = 10,405,299.85/2,840.82
  6. Step 6: Final answer
    x = 3,662.78

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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.