Home / 2,621.75-3,928.92-1,452.28

Finding the Fourth Proportional to 2,621.75, 3,928.92 and 1,452.28

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Solution

The fourth proportional to 2,621.75, 3,928.92 and 1,452.28 is: 2,176.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621.75 : 3,928.92 = 1,452.28 : x
  2. Step 2: Convert to fraction form
    2,621.75/3,928.92 = 1,452.28/x
  3. Step 3: Cross multiply
    2,621.75x = 3,928.92 × 1,452.28
  4. Step 4: Simplify right side
    2,621.75x = 5,705,891.94
  5. Step 5: Solve for x
    x = 5,705,891.94/2,621.75
  6. Step 6: Final answer
    x = 2,176.37

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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.