Home / 3,220.97-4,830.03-1,661.85

Finding the Fourth Proportional to 3,220.97, 4,830.03 and 1,661.85

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Solution

The fourth proportional to 3,220.97, 4,830.03 and 1,661.85 is: 2,492.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.97 : 4,830.03 = 1,661.85 : x
  2. Step 2: Convert to fraction form
    3,220.97/4,830.03 = 1,661.85/x
  3. Step 3: Cross multiply
    3,220.97x = 4,830.03 × 1,661.85
  4. Step 4: Simplify right side
    3,220.97x = 8,026,785.36
  5. Step 5: Solve for x
    x = 8,026,785.36/3,220.97
  6. Step 6: Final answer
    x = 2,492.04

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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.