Home / 2,825.91-4,236.44-2,135.79

Finding the Fourth Proportional to 2,825.91, 4,236.44 and 2,135.79

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Solution

The fourth proportional to 2,825.91, 4,236.44 and 2,135.79 is: 3,201.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825.91 : 4,236.44 = 2,135.79 : x
  2. Step 2: Convert to fraction form
    2,825.91/4,236.44 = 2,135.79/x
  3. Step 3: Cross multiply
    2,825.91x = 4,236.44 × 2,135.79
  4. Step 4: Simplify right side
    2,825.91x = 9,048,135.51
  5. Step 5: Solve for x
    x = 9,048,135.51/2,825.91
  6. Step 6: Final answer
    x = 3,201.85

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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.