Home / 3,558.66-5,337.18-961.80

Finding the Fourth Proportional to 3,558.66, 5,337.18 and 961.80

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Solution

The fourth proportional to 3,558.66, 5,337.18 and 961.80 is: 1,442.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.66 : 5,337.18 = 961.80 : x
  2. Step 2: Convert to fraction form
    3,558.66/5,337.18 = 961.80/x
  3. Step 3: Cross multiply
    3,558.66x = 5,337.18 × 961.80
  4. Step 4: Simplify right side
    3,558.66x = 5,133,299.72
  5. Step 5: Solve for x
    x = 5,133,299.72/3,558.66
  6. Step 6: Final answer
    x = 1,442.48

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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.