Home / 2,481.30-3,721.95-1,329.30

Finding the Fourth Proportional to 2,481.30, 3,721.95 and 1,329.30

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Solution

The fourth proportional to 2,481.30, 3,721.95 and 1,329.30 is: 1,993.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,481.30 : 3,721.95 = 1,329.30 : x
  2. Step 2: Convert to fraction form
    2,481.30/3,721.95 = 1,329.30/x
  3. Step 3: Cross multiply
    2,481.30x = 3,721.95 × 1,329.30
  4. Step 4: Simplify right side
    2,481.30x = 4,947,588.14
  5. Step 5: Solve for x
    x = 4,947,588.14/2,481.30
  6. Step 6: Final answer
    x = 1,993.95

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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.