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Finding the Fourth Proportional to 2,163.42, 3,244.82 and 603.26

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Solution

The fourth proportional to 2,163.42, 3,244.82 and 603.26 is: 904.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,163.42 : 3,244.82 = 603.26 : x
  2. Step 2: Convert to fraction form
    2,163.42/3,244.82 = 603.26/x
  3. Step 3: Cross multiply
    2,163.42x = 3,244.82 × 603.26
  4. Step 4: Simplify right side
    2,163.42x = 1,957,470.11
  5. Step 5: Solve for x
    x = 1,957,470.11/2,163.42
  6. Step 6: Final answer
    x = 904.80

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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.