Home / 2,651.78-3,974.67-1,350.50

Finding the Fourth Proportional to 2,651.78, 3,974.67 and 1,350.50

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Solution

The fourth proportional to 2,651.78, 3,974.67 and 1,350.50 is: 2,024.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,651.78 : 3,974.67 = 1,350.50 : x
  2. Step 2: Convert to fraction form
    2,651.78/3,974.67 = 1,350.50/x
  3. Step 3: Cross multiply
    2,651.78x = 3,974.67 × 1,350.50
  4. Step 4: Simplify right side
    2,651.78x = 5,367,791.84
  5. Step 5: Solve for x
    x = 5,367,791.84/2,651.78
  6. Step 6: Final answer
    x = 2,024.22

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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.