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Finding the Fourth Proportional to 3,999.04, 5,998.56 and 2,151.02

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Solution

The fourth proportional to 3,999.04, 5,998.56 and 2,151.02 is: 3,226.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,999.04 : 5,998.56 = 2,151.02 : x
  2. Step 2: Convert to fraction form
    3,999.04/5,998.56 = 2,151.02/x
  3. Step 3: Cross multiply
    3,999.04x = 5,998.56 × 2,151.02
  4. Step 4: Simplify right side
    3,999.04x = 12,903,029.46
  5. Step 5: Solve for x
    x = 12,903,029.46/3,999.04
  6. Step 6: Final answer
    x = 3,226.53

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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.