Home / 2,794.05-3,858.54-2,531.61

Finding the Fourth Proportional to 2,794.05, 3,858.54 and 2,531.61

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Solution

The fourth proportional to 2,794.05, 3,858.54 and 2,531.61 is: 3,496.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,794.05 : 3,858.54 = 2,531.61 : x
  2. Step 2: Convert to fraction form
    2,794.05/3,858.54 = 2,531.61/x
  3. Step 3: Cross multiply
    2,794.05x = 3,858.54 × 2,531.61
  4. Step 4: Simplify right side
    2,794.05x = 9,768,318.45
  5. Step 5: Solve for x
    x = 9,768,318.45/2,794.05
  6. Step 6: Final answer
    x = 3,496.11

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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.