Home / 3,387.02-5,080.77-922.03

Finding the Fourth Proportional to 3,387.02, 5,080.77 and 922.03

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Solution

The fourth proportional to 3,387.02, 5,080.77 and 922.03 is: 1,383.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.02 : 5,080.77 = 922.03 : x
  2. Step 2: Convert to fraction form
    3,387.02/5,080.77 = 922.03/x
  3. Step 3: Cross multiply
    3,387.02x = 5,080.77 × 922.03
  4. Step 4: Simplify right side
    3,387.02x = 4,684,609.66
  5. Step 5: Solve for x
    x = 4,684,609.66/3,387.02
  6. Step 6: Final answer
    x = 1,383.11

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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.