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Finding the Fourth Proportional to 3,755.03, 5,633.46 and 1,289.88

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Solution

The fourth proportional to 3,755.03, 5,633.46 and 1,289.88 is: 1,935.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,755.03 : 5,633.46 = 1,289.88 : x
  2. Step 2: Convert to fraction form
    3,755.03/5,633.46 = 1,289.88/x
  3. Step 3: Cross multiply
    3,755.03x = 5,633.46 × 1,289.88
  4. Step 4: Simplify right side
    3,755.03x = 7,266,487.38
  5. Step 5: Solve for x
    x = 7,266,487.38/3,755.03
  6. Step 6: Final answer
    x = 1,935.14

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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.