Home / 2,550.78-3,826.17-1,090.62

Finding the Fourth Proportional to 2,550.78, 3,826.17 and 1,090.62

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Solution

The fourth proportional to 2,550.78, 3,826.17 and 1,090.62 is: 1,635.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,550.78 : 3,826.17 = 1,090.62 : x
  2. Step 2: Convert to fraction form
    2,550.78/3,826.17 = 1,090.62/x
  3. Step 3: Cross multiply
    2,550.78x = 3,826.17 × 1,090.62
  4. Step 4: Simplify right side
    2,550.78x = 4,172,897.53
  5. Step 5: Solve for x
    x = 4,172,897.53/2,550.78
  6. Step 6: Final answer
    x = 1,635.93

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Similar ratio
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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.