Home / 3,229.05-4,456.09-1,812.54

Finding the Fourth Proportional to 3,229.05, 4,456.09 and 1,812.54

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Solution

The fourth proportional to 3,229.05, 4,456.09 and 1,812.54 is: 2,501.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,229.05 : 4,456.09 = 1,812.54 : x
  2. Step 2: Convert to fraction form
    3,229.05/4,456.09 = 1,812.54/x
  3. Step 3: Cross multiply
    3,229.05x = 4,456.09 × 1,812.54
  4. Step 4: Simplify right side
    3,229.05x = 8,076,841.37
  5. Step 5: Solve for x
    x = 8,076,841.37/3,229.05
  6. Step 6: Final answer
    x = 2,501.31

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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.