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Finding the Fourth Proportional to 3,765.03, 5,641.14 and 2,664

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Solution

The fourth proportional to 3,765.03, 5,641.14 and 2,664 is: 3,991.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,765.03 : 5,641.14 = 2,664 : x
  2. Step 2: Convert to fraction form
    3,765.03/5,641.14 = 2,664/x
  3. Step 3: Cross multiply
    3,765.03x = 5,641.14 × 2,664
  4. Step 4: Simplify right side
    3,765.03x = 15,027,996.96
  5. Step 5: Solve for x
    x = 15,027,996.96/3,765.03
  6. Step 6: Final answer
    x = 3,991.47

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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.