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Finding the Fourth Proportional to 2,164.82, 3,247.22 and 604.85

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Solution

The fourth proportional to 2,164.82, 3,247.22 and 604.85 is: 907.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,164.82 : 3,247.22 = 604.85 : x
  2. Step 2: Convert to fraction form
    2,164.82/3,247.22 = 604.85/x
  3. Step 3: Cross multiply
    2,164.82x = 3,247.22 × 604.85
  4. Step 4: Simplify right side
    2,164.82x = 1,964,066.29
  5. Step 5: Solve for x
    x = 1,964,066.29/2,164.82
  6. Step 6: Final answer
    x = 907.27

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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.