Home / 3,608.52-4,982.16-2,213.68

Finding the Fourth Proportional to 3,608.52, 4,982.16 and 2,213.68

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Solution

The fourth proportional to 3,608.52, 4,982.16 and 2,213.68 is: 3,056.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.52 : 4,982.16 = 2,213.68 : x
  2. Step 2: Convert to fraction form
    3,608.52/4,982.16 = 2,213.68/x
  3. Step 3: Cross multiply
    3,608.52x = 4,982.16 × 2,213.68
  4. Step 4: Simplify right side
    3,608.52x = 11,028,907.95
  5. Step 5: Solve for x
    x = 11,028,907.95/3,608.52
  6. Step 6: Final answer
    x = 3,056.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.