Home / 2,216.09-3,324.50-829.91

Finding the Fourth Proportional to 2,216.09, 3,324.50 and 829.91

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Solution

The fourth proportional to 2,216.09, 3,324.50 and 829.91 is: 1,245.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,216.09 : 3,324.50 = 829.91 : x
  2. Step 2: Convert to fraction form
    2,216.09/3,324.50 = 829.91/x
  3. Step 3: Cross multiply
    2,216.09x = 3,324.50 × 829.91
  4. Step 4: Simplify right side
    2,216.09x = 2,759,035.80
  5. Step 5: Solve for x
    x = 2,759,035.80/2,216.09
  6. Step 6: Final answer
    x = 1,245.00

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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.