Home / 2,824.55-3,898.12-1,629.75

Finding the Fourth Proportional to 2,824.55, 3,898.12 and 1,629.75

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Solution

The fourth proportional to 2,824.55, 3,898.12 and 1,629.75 is: 2,249.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,824.55 : 3,898.12 = 1,629.75 : x
  2. Step 2: Convert to fraction form
    2,824.55/3,898.12 = 1,629.75/x
  3. Step 3: Cross multiply
    2,824.55x = 3,898.12 × 1,629.75
  4. Step 4: Simplify right side
    2,824.55x = 6,352,977.73
  5. Step 5: Solve for x
    x = 6,352,977.73/2,824.55
  6. Step 6: Final answer
    x = 2,249.20

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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.