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Finding the Fourth Proportional to 1,765.41, 2,644.07 and 941.64

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Solution

The fourth proportional to 1,765.41, 2,644.07 and 941.64 is: 1,410.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,765.41 : 2,644.07 = 941.64 : x
  2. Step 2: Convert to fraction form
    1,765.41/2,644.07 = 941.64/x
  3. Step 3: Cross multiply
    1,765.41x = 2,644.07 × 941.64
  4. Step 4: Simplify right side
    1,765.41x = 2,489,757.37
  5. Step 5: Solve for x
    x = 2,489,757.37/1,765.41
  6. Step 6: Final answer
    x = 1,410.30

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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.