Home / 3,171.81-4,749.20-2,584.41

Finding the Fourth Proportional to 3,171.81, 4,749.20 and 2,584.41

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Solution

The fourth proportional to 3,171.81, 4,749.20 and 2,584.41 is: 3,869.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171.81 : 4,749.20 = 2,584.41 : x
  2. Step 2: Convert to fraction form
    3,171.81/4,749.20 = 2,584.41/x
  3. Step 3: Cross multiply
    3,171.81x = 4,749.20 × 2,584.41
  4. Step 4: Simplify right side
    3,171.81x = 12,273,879.97
  5. Step 5: Solve for x
    x = 12,273,879.97/3,171.81
  6. Step 6: Final answer
    x = 3,869.68

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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.