Home / 2,868.24-3,958.20-1,626

Finding the Fourth Proportional to 2,868.24, 3,958.20 and 1,626

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Solution

The fourth proportional to 2,868.24, 3,958.20 and 1,626 is: 2,243.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,868.24 : 3,958.20 = 1,626 : x
  2. Step 2: Convert to fraction form
    2,868.24/3,958.20 = 1,626/x
  3. Step 3: Cross multiply
    2,868.24x = 3,958.20 × 1,626
  4. Step 4: Simplify right side
    2,868.24x = 6,436,033.20
  5. Step 5: Solve for x
    x = 6,436,033.20/2,868.24
  6. Step 6: Final answer
    x = 2,243.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.