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Finding the Fourth Proportional to 2,463.22, 3,694.74 and 731.80

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Solution

The fourth proportional to 2,463.22, 3,694.74 and 731.80 is: 1,097.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,463.22 : 3,694.74 = 731.80 : x
  2. Step 2: Convert to fraction form
    2,463.22/3,694.74 = 731.80/x
  3. Step 3: Cross multiply
    2,463.22x = 3,694.74 × 731.80
  4. Step 4: Simplify right side
    2,463.22x = 2,703,810.73
  5. Step 5: Solve for x
    x = 2,703,810.73/2,463.22
  6. Step 6: Final answer
    x = 1,097.67

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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.