Home / 3,994.60-5,985.22-2,822.66

Finding the Fourth Proportional to 3,994.60, 5,985.22 and 2,822.66

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Solution

The fourth proportional to 3,994.60, 5,985.22 and 2,822.66 is: 4,229.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,994.60 : 5,985.22 = 2,822.66 : x
  2. Step 2: Convert to fraction form
    3,994.60/5,985.22 = 2,822.66/x
  3. Step 3: Cross multiply
    3,994.60x = 5,985.22 × 2,822.66
  4. Step 4: Simplify right side
    3,994.60x = 16,894,241.09
  5. Step 5: Solve for x
    x = 16,894,241.09/3,994.60
  6. Step 6: Final answer
    x = 4,229.27

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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.