Home / 3,942.80-5,910.99-1,476.24

Finding the Fourth Proportional to 3,942.80, 5,910.99 and 1,476.24

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Solution

The fourth proportional to 3,942.80, 5,910.99 and 1,476.24 is: 2,213.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942.80 : 5,910.99 = 1,476.24 : x
  2. Step 2: Convert to fraction form
    3,942.80/5,910.99 = 1,476.24/x
  3. Step 3: Cross multiply
    3,942.80x = 5,910.99 × 1,476.24
  4. Step 4: Simplify right side
    3,942.80x = 8,726,039.88
  5. Step 5: Solve for x
    x = 8,726,039.88/3,942.80
  6. Step 6: Final answer
    x = 2,213.16

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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.