Home / 4,139.20-6,199.89-1,944.64

Finding the Fourth Proportional to 4,139.20, 6,199.89 and 1,944.64

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Solution

The fourth proportional to 4,139.20, 6,199.89 and 1,944.64 is: 2,912.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.20 : 6,199.89 = 1,944.64 : x
  2. Step 2: Convert to fraction form
    4,139.20/6,199.89 = 1,944.64/x
  3. Step 3: Cross multiply
    4,139.20x = 6,199.89 × 1,944.64
  4. Step 4: Simplify right side
    4,139.20x = 12,056,554.09
  5. Step 5: Solve for x
    x = 12,056,554.09/4,139.20
  6. Step 6: Final answer
    x = 2,912.77

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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.