Home / 3,285.27-4,918.19-1,982.79

Finding the Fourth Proportional to 3,285.27, 4,918.19 and 1,982.79

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Solution

The fourth proportional to 3,285.27, 4,918.19 and 1,982.79 is: 2,968.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285.27 : 4,918.19 = 1,982.79 : x
  2. Step 2: Convert to fraction form
    3,285.27/4,918.19 = 1,982.79/x
  3. Step 3: Cross multiply
    3,285.27x = 4,918.19 × 1,982.79
  4. Step 4: Simplify right side
    3,285.27x = 9,751,728.04
  5. Step 5: Solve for x
    x = 9,751,728.04/3,285.27
  6. Step 6: Final answer
    x = 2,968.32

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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.