Home / 2,216.41-3,324.70-829.60

Finding the Fourth Proportional to 2,216.41, 3,324.70 and 829.60

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Solution

The fourth proportional to 2,216.41, 3,324.70 and 829.60 is: 1,244.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,216.41 : 3,324.70 = 829.60 : x
  2. Step 2: Convert to fraction form
    2,216.41/3,324.70 = 829.60/x
  3. Step 3: Cross multiply
    2,216.41x = 3,324.70 × 829.60
  4. Step 4: Simplify right side
    2,216.41x = 2,758,175.28
  5. Step 5: Solve for x
    x = 2,758,175.28/2,216.41
  6. Step 6: Final answer
    x = 1,244.43

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1.5x scale

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.