Home / 2,612.70-3,942.33-2,511.44

Finding the Fourth Proportional to 2,612.70, 3,942.33 and 2,511.44

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Solution

The fourth proportional to 2,612.70, 3,942.33 and 2,511.44 is: 3,789.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,612.70 : 3,942.33 = 2,511.44 : x
  2. Step 2: Convert to fraction form
    2,612.70/3,942.33 = 2,511.44/x
  3. Step 3: Cross multiply
    2,612.70x = 3,942.33 × 2,511.44
  4. Step 4: Simplify right side
    2,612.70x = 9,900,912.70
  5. Step 5: Solve for x
    x = 9,900,912.70/2,612.70
  6. Step 6: Final answer
    x = 3,789.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.