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Finding the Fourth Proportional to 3,999.93, 5,997.60 and 1,366.58

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Solution

The fourth proportional to 3,999.93, 5,997.60 and 1,366.58 is: 2,049.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,999.93 : 5,997.60 = 1,366.58 : x
  2. Step 2: Convert to fraction form
    3,999.93/5,997.60 = 1,366.58/x
  3. Step 3: Cross multiply
    3,999.93x = 5,997.60 × 1,366.58
  4. Step 4: Simplify right side
    3,999.93x = 8,196,170.22
  5. Step 5: Solve for x
    x = 8,196,170.22/3,999.93
  6. Step 6: Final answer
    x = 2,049.08

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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.