Home / 3,028.24-4,180.44-1,910.80

Finding the Fourth Proportional to 3,028.24, 4,180.44 and 1,910.80

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Solution

The fourth proportional to 3,028.24, 4,180.44 and 1,910.80 is: 2,637.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028.24 : 4,180.44 = 1,910.80 : x
  2. Step 2: Convert to fraction form
    3,028.24/4,180.44 = 1,910.80/x
  3. Step 3: Cross multiply
    3,028.24x = 4,180.44 × 1,910.80
  4. Step 4: Simplify right side
    3,028.24x = 7,987,984.75
  5. Step 5: Solve for x
    x = 7,987,984.75/3,028.24
  6. Step 6: Final answer
    x = 2,637.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.