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Finding the Fourth Proportional to 3,996.37, 5,997.77 and 1,805.29

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Solution

The fourth proportional to 3,996.37, 5,997.77 and 1,805.29 is: 2,709.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,996.37 : 5,997.77 = 1,805.29 : x
  2. Step 2: Convert to fraction form
    3,996.37/5,997.77 = 1,805.29/x
  3. Step 3: Cross multiply
    3,996.37x = 5,997.77 × 1,805.29
  4. Step 4: Simplify right side
    3,996.37x = 10,827,714.20
  5. Step 5: Solve for x
    x = 10,827,714.20/3,996.37
  6. Step 6: Final answer
    x = 2,709.39

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1.5x scale

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.