Home / 2,939.76-4,411.47-2,716.62

Finding the Fourth Proportional to 2,939.76, 4,411.47 and 2,716.62

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Solution

The fourth proportional to 2,939.76, 4,411.47 and 2,716.62 is: 4,076.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.76 : 4,411.47 = 2,716.62 : x
  2. Step 2: Convert to fraction form
    2,939.76/4,411.47 = 2,716.62/x
  3. Step 3: Cross multiply
    2,939.76x = 4,411.47 × 2,716.62
  4. Step 4: Simplify right side
    2,939.76x = 11,984,287.63
  5. Step 5: Solve for x
    x = 11,984,287.63/2,939.76
  6. Step 6: Final answer
    x = 4,076.62

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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.