Home / 3,872.98-5,809.85-2,226.34

Finding the Fourth Proportional to 3,872.98, 5,809.85 and 2,226.34

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Solution

The fourth proportional to 3,872.98, 5,809.85 and 2,226.34 is: 3,339.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,872.98 : 5,809.85 = 2,226.34 : x
  2. Step 2: Convert to fraction form
    3,872.98/5,809.85 = 2,226.34/x
  3. Step 3: Cross multiply
    3,872.98x = 5,809.85 × 2,226.34
  4. Step 4: Simplify right side
    3,872.98x = 12,934,701.45
  5. Step 5: Solve for x
    x = 12,934,701.45/3,872.98
  6. Step 6: Final answer
    x = 3,339.73

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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.