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Finding the Fourth Proportional to 1,796.97, 2,695.66 and 564.35

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Solution

The fourth proportional to 1,796.97, 2,695.66 and 564.35 is: 846.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796.97 : 2,695.66 = 564.35 : x
  2. Step 2: Convert to fraction form
    1,796.97/2,695.66 = 564.35/x
  3. Step 3: Cross multiply
    1,796.97x = 2,695.66 × 564.35
  4. Step 4: Simplify right side
    1,796.97x = 1,521,295.72
  5. Step 5: Solve for x
    x = 1,521,295.72/1,796.97
  6. Step 6: Final answer
    x = 846.59

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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.