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Finding the Fourth Proportional to 2,450.87, 3,674.92 and 806.97

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Solution

The fourth proportional to 2,450.87, 3,674.92 and 806.97 is: 1,210.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,450.87 : 3,674.92 = 806.97 : x
  2. Step 2: Convert to fraction form
    2,450.87/3,674.92 = 806.97/x
  3. Step 3: Cross multiply
    2,450.87x = 3,674.92 × 806.97
  4. Step 4: Simplify right side
    2,450.87x = 2,965,546.16
  5. Step 5: Solve for x
    x = 2,965,546.16/2,450.87
  6. Step 6: Final answer
    x = 1,210.00

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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.