Home / 3,265.20-4,896.84-1,782.72

Finding the Fourth Proportional to 3,265.20, 4,896.84 and 1,782.72

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Solution

The fourth proportional to 3,265.20, 4,896.84 and 1,782.72 is: 2,673.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,265.20 : 4,896.84 = 1,782.72 : x
  2. Step 2: Convert to fraction form
    3,265.20/4,896.84 = 1,782.72/x
  3. Step 3: Cross multiply
    3,265.20x = 4,896.84 × 1,782.72
  4. Step 4: Simplify right side
    3,265.20x = 8,729,694.60
  5. Step 5: Solve for x
    x = 8,729,694.60/3,265.20
  6. Step 6: Final answer
    x = 2,673.56

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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.