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Finding the Fourth Proportional to 3,998.66, 5,997.26 and 2,353.28

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Solution

The fourth proportional to 3,998.66, 5,997.26 and 2,353.28 is: 3,529.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,998.66 : 5,997.26 = 2,353.28 : x
  2. Step 2: Convert to fraction form
    3,998.66/5,997.26 = 2,353.28/x
  3. Step 3: Cross multiply
    3,998.66x = 5,997.26 × 2,353.28
  4. Step 4: Simplify right side
    3,998.66x = 14,113,190.26
  5. Step 5: Solve for x
    x = 14,113,190.26/3,998.66
  6. Step 6: Final answer
    x = 3,529.48

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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.