Home / 3,247.67-4,865.09-2,148.71

Finding the Fourth Proportional to 3,247.67, 4,865.09 and 2,148.71

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Solution

The fourth proportional to 3,247.67, 4,865.09 and 2,148.71 is: 3,218.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247.67 : 4,865.09 = 2,148.71 : x
  2. Step 2: Convert to fraction form
    3,247.67/4,865.09 = 2,148.71/x
  3. Step 3: Cross multiply
    3,247.67x = 4,865.09 × 2,148.71
  4. Step 4: Simplify right side
    3,247.67x = 10,453,648.58
  5. Step 5: Solve for x
    x = 10,453,648.58/3,247.67
  6. Step 6: Final answer
    x = 3,218.81

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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.