Home / 3,579.87-4,940.19-2,182.62

Finding the Fourth Proportional to 3,579.87, 4,940.19 and 2,182.62

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Solution

The fourth proportional to 3,579.87, 4,940.19 and 2,182.62 is: 3,012.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.87 : 4,940.19 = 2,182.62 : x
  2. Step 2: Convert to fraction form
    3,579.87/4,940.19 = 2,182.62/x
  3. Step 3: Cross multiply
    3,579.87x = 4,940.19 × 2,182.62
  4. Step 4: Simplify right side
    3,579.87x = 10,782,557.50
  5. Step 5: Solve for x
    x = 10,782,557.50/3,579.87
  6. Step 6: Final answer
    x = 3,012.00

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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.