Home / 2,939.44-4,059.99-2,141.50

Finding the Fourth Proportional to 2,939.44, 4,059.99 and 2,141.50

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Solution

The fourth proportional to 2,939.44, 4,059.99 and 2,141.50 is: 2,957.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.44 : 4,059.99 = 2,141.50 : x
  2. Step 2: Convert to fraction form
    2,939.44/4,059.99 = 2,141.50/x
  3. Step 3: Cross multiply
    2,939.44x = 4,059.99 × 2,141.50
  4. Step 4: Simplify right side
    2,939.44x = 8,694,468.59
  5. Step 5: Solve for x
    x = 8,694,468.59/2,939.44
  6. Step 6: Final answer
    x = 2,957.87

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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.