Home / 4,138.96-6,199.52-1,944.40

Finding the Fourth Proportional to 4,138.96, 6,199.52 and 1,944.40

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Solution

The fourth proportional to 4,138.96, 6,199.52 and 1,944.40 is: 2,912.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.96 : 6,199.52 = 1,944.40 : x
  2. Step 2: Convert to fraction form
    4,138.96/6,199.52 = 1,944.40/x
  3. Step 3: Cross multiply
    4,138.96x = 6,199.52 × 1,944.40
  4. Step 4: Simplify right side
    4,138.96x = 12,054,346.69
  5. Step 5: Solve for x
    x = 12,054,346.69/4,138.96
  6. Step 6: Final answer
    x = 2,912.41

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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.