Home / 2,982.29-4,470.36-1,339.31

Finding the Fourth Proportional to 2,982.29, 4,470.36 and 1,339.31

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Solution

The fourth proportional to 2,982.29, 4,470.36 and 1,339.31 is: 2,007.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.29 : 4,470.36 = 1,339.31 : x
  2. Step 2: Convert to fraction form
    2,982.29/4,470.36 = 1,339.31/x
  3. Step 3: Cross multiply
    2,982.29x = 4,470.36 × 1,339.31
  4. Step 4: Simplify right side
    2,982.29x = 5,987,202.73
  5. Step 5: Solve for x
    x = 5,987,202.73/2,982.29
  6. Step 6: Final answer
    x = 2,007.58

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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.