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Finding the Fourth Proportional to 2,951.03, 4,426.55 and 759.94

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Solution

The fourth proportional to 2,951.03, 4,426.55 and 759.94 is: 1,139.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,951.03 : 4,426.55 = 759.94 : x
  2. Step 2: Convert to fraction form
    2,951.03/4,426.55 = 759.94/x
  3. Step 3: Cross multiply
    2,951.03x = 4,426.55 × 759.94
  4. Step 4: Simplify right side
    2,951.03x = 3,363,912.41
  5. Step 5: Solve for x
    x = 3,363,912.41/2,951.03
  6. Step 6: Final answer
    x = 1,139.91

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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.