Home / 3,422.25-4,722.71-1,850.34

Finding the Fourth Proportional to 3,422.25, 4,722.71 and 1,850.34

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Solution

The fourth proportional to 3,422.25, 4,722.71 and 1,850.34 is: 2,553.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422.25 : 4,722.71 = 1,850.34 : x
  2. Step 2: Convert to fraction form
    3,422.25/4,722.71 = 1,850.34/x
  3. Step 3: Cross multiply
    3,422.25x = 4,722.71 × 1,850.34
  4. Step 4: Simplify right side
    3,422.25x = 8,738,627.68
  5. Step 5: Solve for x
    x = 8,738,627.68/3,422.25
  6. Step 6: Final answer
    x = 2,553.47

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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.