Home / 3,782.58-5,671.90-2,223.06

Finding the Fourth Proportional to 3,782.58, 5,671.90 and 2,223.06

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Solution

The fourth proportional to 3,782.58, 5,671.90 and 2,223.06 is: 3,333.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,782.58 : 5,671.90 = 2,223.06 : x
  2. Step 2: Convert to fraction form
    3,782.58/5,671.90 = 2,223.06/x
  3. Step 3: Cross multiply
    3,782.58x = 5,671.90 × 2,223.06
  4. Step 4: Simplify right side
    3,782.58x = 12,608,974.01
  5. Step 5: Solve for x
    x = 12,608,974.01/3,782.58
  6. Step 6: Final answer
    x = 3,333.43

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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.