Home / 3,135.24-4,693.59-1,961.37

Finding the Fourth Proportional to 3,135.24, 4,693.59 and 1,961.37

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Solution

The fourth proportional to 3,135.24, 4,693.59 and 1,961.37 is: 2,936.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.24 : 4,693.59 = 1,961.37 : x
  2. Step 2: Convert to fraction form
    3,135.24/4,693.59 = 1,961.37/x
  3. Step 3: Cross multiply
    3,135.24x = 4,693.59 × 1,961.37
  4. Step 4: Simplify right side
    3,135.24x = 9,205,866.62
  5. Step 5: Solve for x
    x = 9,205,866.62/3,135.24
  6. Step 6: Final answer
    x = 2,936.26

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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.