Home / 3,944.18-5,914.64-3,161.72

Finding the Fourth Proportional to 3,944.18, 5,914.64 and 3,161.72

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Solution

The fourth proportional to 3,944.18, 5,914.64 and 3,161.72 is: 4,741.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.18 : 5,914.64 = 3,161.72 : x
  2. Step 2: Convert to fraction form
    3,944.18/5,914.64 = 3,161.72/x
  3. Step 3: Cross multiply
    3,944.18x = 5,914.64 × 3,161.72
  4. Step 4: Simplify right side
    3,944.18x = 18,700,390.20
  5. Step 5: Solve for x
    x = 18,700,390.20/3,944.18
  6. Step 6: Final answer
    x = 4,741.27

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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.