Home / 3,558.45-5,337.77-961.38

Finding the Fourth Proportional to 3,558.45, 5,337.77 and 961.38

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Solution

The fourth proportional to 3,558.45, 5,337.77 and 961.38 is: 1,442.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.45 : 5,337.77 = 961.38 : x
  2. Step 2: Convert to fraction form
    3,558.45/5,337.77 = 961.38/x
  3. Step 3: Cross multiply
    3,558.45x = 5,337.77 × 961.38
  4. Step 4: Simplify right side
    3,558.45x = 5,131,625.32
  5. Step 5: Solve for x
    x = 5,131,625.32/3,558.45
  6. Step 6: Final answer
    x = 1,442.10

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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.