Home / 3,558.98-5,338.46-961.91

Finding the Fourth Proportional to 3,558.98, 5,338.46 and 961.91

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Solution

The fourth proportional to 3,558.98, 5,338.46 and 961.91 is: 1,442.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.98 : 5,338.46 = 961.91 : x
  2. Step 2: Convert to fraction form
    3,558.98/5,338.46 = 961.91/x
  3. Step 3: Cross multiply
    3,558.98x = 5,338.46 × 961.91
  4. Step 4: Simplify right side
    3,558.98x = 5,135,118.06
  5. Step 5: Solve for x
    x = 5,135,118.06/3,558.98
  6. Step 6: Final answer
    x = 1,442.86

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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.