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Finding the Fourth Proportional to 3,998.76, 5,994.36 and 1,400.01

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Solution

The fourth proportional to 3,998.76, 5,994.36 and 1,400.01 is: 2,098.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,998.76 : 5,994.36 = 1,400.01 : x
  2. Step 2: Convert to fraction form
    3,998.76/5,994.36 = 1,400.01/x
  3. Step 3: Cross multiply
    3,998.76x = 5,994.36 × 1,400.01
  4. Step 4: Simplify right side
    3,998.76x = 8,392,163.94
  5. Step 5: Solve for x
    x = 8,392,163.94/3,998.76
  6. Step 6: Final answer
    x = 2,098.69

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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.