Home / 3,489.31-4,814.56-2,229.39

Finding the Fourth Proportional to 3,489.31, 4,814.56 and 2,229.39

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Solution

The fourth proportional to 3,489.31, 4,814.56 and 2,229.39 is: 3,076.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,489.31 : 4,814.56 = 2,229.39 : x
  2. Step 2: Convert to fraction form
    3,489.31/4,814.56 = 2,229.39/x
  3. Step 3: Cross multiply
    3,489.31x = 4,814.56 × 2,229.39
  4. Step 4: Simplify right side
    3,489.31x = 10,733,531.92
  5. Step 5: Solve for x
    x = 10,733,531.92/3,489.31
  6. Step 6: Final answer
    x = 3,076.12

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1.5x scale

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.