Home / 3,213.38-4,816.53-2,102.34

Finding the Fourth Proportional to 3,213.38, 4,816.53 and 2,102.34

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Solution

The fourth proportional to 3,213.38, 4,816.53 and 2,102.34 is: 3,151.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.38 : 4,816.53 = 2,102.34 : x
  2. Step 2: Convert to fraction form
    3,213.38/4,816.53 = 2,102.34/x
  3. Step 3: Cross multiply
    3,213.38x = 4,816.53 × 2,102.34
  4. Step 4: Simplify right side
    3,213.38x = 10,125,959.60
  5. Step 5: Solve for x
    x = 10,125,959.60/3,213.38
  6. Step 6: Final answer
    x = 3,151.19

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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.