Home / 3,811.81-5,713.83-2,579.34

Finding the Fourth Proportional to 3,811.81, 5,713.83 and 2,579.34

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Solution

The fourth proportional to 3,811.81, 5,713.83 and 2,579.34 is: 3,866.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,811.81 : 5,713.83 = 2,579.34 : x
  2. Step 2: Convert to fraction form
    3,811.81/5,713.83 = 2,579.34/x
  3. Step 3: Cross multiply
    3,811.81x = 5,713.83 × 2,579.34
  4. Step 4: Simplify right side
    3,811.81x = 14,737,910.27
  5. Step 5: Solve for x
    x = 14,737,910.27/3,811.81
  6. Step 6: Final answer
    x = 3,866.39

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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.