Home / 3,213.12-4,816.44-2,442

Finding the Fourth Proportional to 3,213.12, 4,816.44 and 2,442

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Solution

The fourth proportional to 3,213.12, 4,816.44 and 2,442 is: 3,660.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.12 : 4,816.44 = 2,442 : x
  2. Step 2: Convert to fraction form
    3,213.12/4,816.44 = 2,442/x
  3. Step 3: Cross multiply
    3,213.12x = 4,816.44 × 2,442
  4. Step 4: Simplify right side
    3,213.12x = 11,761,746.48
  5. Step 5: Solve for x
    x = 11,761,746.48/3,213.12
  6. Step 6: Final answer
    x = 3,660.54

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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.