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Finding the Fourth Proportional to 3,997.47, 5,998.41 and 1,806.03

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Solution

The fourth proportional to 3,997.47, 5,998.41 and 1,806.03 is: 2,710.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,997.47 : 5,998.41 = 1,806.03 : x
  2. Step 2: Convert to fraction form
    3,997.47/5,998.41 = 1,806.03/x
  3. Step 3: Cross multiply
    3,997.47x = 5,998.41 × 1,806.03
  4. Step 4: Simplify right side
    3,997.47x = 10,833,308.41
  5. Step 5: Solve for x
    x = 10,833,308.41/3,997.47
  6. Step 6: Final answer
    x = 2,710.04

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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.