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Finding the Fourth Proportional to 1,795.85, 2,693.78 and 563.36

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Solution

The fourth proportional to 1,795.85, 2,693.78 and 563.36 is: 845.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,795.85 : 2,693.78 = 563.36 : x
  2. Step 2: Convert to fraction form
    1,795.85/2,693.78 = 563.36/x
  3. Step 3: Cross multiply
    1,795.85x = 2,693.78 × 563.36
  4. Step 4: Simplify right side
    1,795.85x = 1,517,555.93
  5. Step 5: Solve for x
    x = 1,517,555.93/1,795.85
  6. Step 6: Final answer
    x = 845.03

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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.