Home / 3,422.11-4,722.50-1,850.20

Finding the Fourth Proportional to 3,422.11, 4,722.50 and 1,850.20

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Solution

The fourth proportional to 3,422.11, 4,722.50 and 1,850.20 is: 2,553.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,422.11 : 4,722.50 = 1,850.20 : x
  2. Step 2: Convert to fraction form
    3,422.11/4,722.50 = 1,850.20/x
  3. Step 3: Cross multiply
    3,422.11x = 4,722.50 × 1,850.20
  4. Step 4: Simplify right side
    3,422.11x = 8,737,545.89
  5. Step 5: Solve for x
    x = 8,737,545.89/3,422.11
  6. Step 6: Final answer
    x = 2,553.27

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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.