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Finding the Fourth Proportional to 1,796.50, 2,694.92 and 626.71

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Solution

The fourth proportional to 1,796.50, 2,694.92 and 626.71 is: 940.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796.50 : 2,694.92 = 626.71 : x
  2. Step 2: Convert to fraction form
    1,796.50/2,694.92 = 626.71/x
  3. Step 3: Cross multiply
    1,796.50x = 2,694.92 × 626.71
  4. Step 4: Simplify right side
    1,796.50x = 1,688,933.31
  5. Step 5: Solve for x
    x = 1,688,933.31/1,796.50
  6. Step 6: Final answer
    x = 940.12

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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.