Home / 3,113.26-4,669.86-922.03

Finding the Fourth Proportional to 3,113.26, 4,669.86 and 922.03

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Solution

The fourth proportional to 3,113.26, 4,669.86 and 922.03 is: 1,383.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.26 : 4,669.86 = 922.03 : x
  2. Step 2: Convert to fraction form
    3,113.26/4,669.86 = 922.03/x
  3. Step 3: Cross multiply
    3,113.26x = 4,669.86 × 922.03
  4. Step 4: Simplify right side
    3,113.26x = 4,305,751.02
  5. Step 5: Solve for x
    x = 4,305,751.02/3,113.26
  6. Step 6: Final answer
    x = 1,383.04

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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.