Home / 3,493.72-5,243.70-3,122.93

Finding the Fourth Proportional to 3,493.72, 5,243.70 and 3,122.93

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Solution

The fourth proportional to 3,493.72, 5,243.70 and 3,122.93 is: 4,687.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,493.72 : 5,243.70 = 3,122.93 : x
  2. Step 2: Convert to fraction form
    3,493.72/5,243.70 = 3,122.93/x
  3. Step 3: Cross multiply
    3,493.72x = 5,243.70 × 3,122.93
  4. Step 4: Simplify right side
    3,493.72x = 16,375,708.04
  5. Step 5: Solve for x
    x = 16,375,708.04/3,493.72
  6. Step 6: Final answer
    x = 4,687.19

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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.