Home / 3,043.65-4,201.95-1,982.37

Finding the Fourth Proportional to 3,043.65, 4,201.95 and 1,982.37

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Solution

The fourth proportional to 3,043.65, 4,201.95 and 1,982.37 is: 2,736.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,043.65 : 4,201.95 = 1,982.37 : x
  2. Step 2: Convert to fraction form
    3,043.65/4,201.95 = 1,982.37/x
  3. Step 3: Cross multiply
    3,043.65x = 4,201.95 × 1,982.37
  4. Step 4: Simplify right side
    3,043.65x = 8,329,819.62
  5. Step 5: Solve for x
    x = 8,329,819.62/3,043.65
  6. Step 6: Final answer
    x = 2,736.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.