Home / 3,422.19-4,722.61-1,850.28

Finding the Fourth Proportional to 3,422.19, 4,722.61 and 1,850.28

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Solution

The fourth proportional to 3,422.19, 4,722.61 and 1,850.28 is: 2,553.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422.19 : 4,722.61 = 1,850.28 : x
  2. Step 2: Convert to fraction form
    3,422.19/4,722.61 = 1,850.28/x
  3. Step 3: Cross multiply
    3,422.19x = 4,722.61 × 1,850.28
  4. Step 4: Simplify right side
    3,422.19x = 8,738,150.83
  5. Step 5: Solve for x
    x = 8,738,150.83/3,422.19
  6. Step 6: Final answer
    x = 2,553.38

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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.