Home / 3,856.73-5,785.39-1,083.62

Finding the Fourth Proportional to 3,856.73, 5,785.39 and 1,083.62

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Solution

The fourth proportional to 3,856.73, 5,785.39 and 1,083.62 is: 1,625.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,856.73 : 5,785.39 = 1,083.62 : x
  2. Step 2: Convert to fraction form
    3,856.73/5,785.39 = 1,083.62/x
  3. Step 3: Cross multiply
    3,856.73x = 5,785.39 × 1,083.62
  4. Step 4: Simplify right side
    3,856.73x = 6,269,176.07
  5. Step 5: Solve for x
    x = 6,269,176.07/3,856.73
  6. Step 6: Final answer
    x = 1,625.52

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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.