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Finding the Fourth Proportional to 3,536.23, 5,304.45 and 903.73

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Solution

The fourth proportional to 3,536.23, 5,304.45 and 903.73 is: 1,355.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,536.23 : 5,304.45 = 903.73 : x
  2. Step 2: Convert to fraction form
    3,536.23/5,304.45 = 903.73/x
  3. Step 3: Cross multiply
    3,536.23x = 5,304.45 × 903.73
  4. Step 4: Simplify right side
    3,536.23x = 4,793,790.60
  5. Step 5: Solve for x
    x = 4,793,790.60/3,536.23
  6. Step 6: Final answer
    x = 1,355.62

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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.