Home / 2,761.70-4,142.54-1,943.62

Finding the Fourth Proportional to 2,761.70, 4,142.54 and 1,943.62

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Solution

The fourth proportional to 2,761.70, 4,142.54 and 1,943.62 is: 2,915.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761.70 : 4,142.54 = 1,943.62 : x
  2. Step 2: Convert to fraction form
    2,761.70/4,142.54 = 1,943.62/x
  3. Step 3: Cross multiply
    2,761.70x = 4,142.54 × 1,943.62
  4. Step 4: Simplify right side
    2,761.70x = 8,051,523.59
  5. Step 5: Solve for x
    x = 8,051,523.59/2,761.70
  6. Step 6: Final answer
    x = 2,915.42

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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.