Home / 3,558.45-5,337.68-961.32

Finding the Fourth Proportional to 3,558.45, 5,337.68 and 961.32

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Solution

The fourth proportional to 3,558.45, 5,337.68 and 961.32 is: 1,441.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.45 : 5,337.68 = 961.32 : x
  2. Step 2: Convert to fraction form
    3,558.45/5,337.68 = 961.32/x
  3. Step 3: Cross multiply
    3,558.45x = 5,337.68 × 961.32
  4. Step 4: Simplify right side
    3,558.45x = 5,131,218.54
  5. Step 5: Solve for x
    x = 5,131,218.54/3,558.45
  6. Step 6: Final answer
    x = 1,441.98

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1.5x scale

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.