Home / 3,422.19-5,122.33-1,776.48

Finding the Fourth Proportional to 3,422.19, 5,122.33 and 1,776.48

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Solution

The fourth proportional to 3,422.19, 5,122.33 and 1,776.48 is: 2,659.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422.19 : 5,122.33 = 1,776.48 : x
  2. Step 2: Convert to fraction form
    3,422.19/5,122.33 = 1,776.48/x
  3. Step 3: Cross multiply
    3,422.19x = 5,122.33 × 1,776.48
  4. Step 4: Simplify right side
    3,422.19x = 9,099,716.80
  5. Step 5: Solve for x
    x = 9,099,716.80/3,422.19
  6. Step 6: Final answer
    x = 2,659.03

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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.