Home / 3,994.14-5,990.39-1,071.75

Finding the Fourth Proportional to 3,994.14, 5,990.39 and 1,071.75

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Solution

The fourth proportional to 3,994.14, 5,990.39 and 1,071.75 is: 1,607.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,994.14 : 5,990.39 = 1,071.75 : x
  2. Step 2: Convert to fraction form
    3,994.14/5,990.39 = 1,071.75/x
  3. Step 3: Cross multiply
    3,994.14x = 5,990.39 × 1,071.75
  4. Step 4: Simplify right side
    3,994.14x = 6,420,195.12
  5. Step 5: Solve for x
    x = 6,420,195.12/3,994.14
  6. Step 6: Final answer
    x = 1,607.40

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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.