Home / 2,542.62-3,813.57-1,080.66

Finding the Fourth Proportional to 2,542.62, 3,813.57 and 1,080.66

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Solution

The fourth proportional to 2,542.62, 3,813.57 and 1,080.66 is: 1,620.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,542.62 : 3,813.57 = 1,080.66 : x
  2. Step 2: Convert to fraction form
    2,542.62/3,813.57 = 1,080.66/x
  3. Step 3: Cross multiply
    2,542.62x = 3,813.57 × 1,080.66
  4. Step 4: Simplify right side
    2,542.62x = 4,121,172.56
  5. Step 5: Solve for x
    x = 4,121,172.56/2,542.62
  6. Step 6: Final answer
    x = 1,620.84

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1.5x scale

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.