Home / 2,930.13-4,395.22-850.28

Finding the Fourth Proportional to 2,930.13, 4,395.22 and 850.28

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Solution

The fourth proportional to 2,930.13, 4,395.22 and 850.28 is: 1,275.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.13 : 4,395.22 = 850.28 : x
  2. Step 2: Convert to fraction form
    2,930.13/4,395.22 = 850.28/x
  3. Step 3: Cross multiply
    2,930.13x = 4,395.22 × 850.28
  4. Step 4: Simplify right side
    2,930.13x = 3,737,143.56
  5. Step 5: Solve for x
    x = 3,737,143.56/2,930.13
  6. Step 6: Final answer
    x = 1,275.42

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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.