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Finding the Fourth Proportional to 2,450.71, 3,676.67 and 2,012.70

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Solution

The fourth proportional to 2,450.71, 3,676.67 and 2,012.70 is: 3,019.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,450.71 : 3,676.67 = 2,012.70 : x
  2. Step 2: Convert to fraction form
    2,450.71/3,676.67 = 2,012.70/x
  3. Step 3: Cross multiply
    2,450.71x = 3,676.67 × 2,012.70
  4. Step 4: Simplify right side
    2,450.71x = 7,400,023.65
  5. Step 5: Solve for x
    x = 7,400,023.65/2,450.71
  6. Step 6: Final answer
    x = 3,019.55

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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.