Home / 3,579.85-4,940.36-2,008.05

Finding the Fourth Proportional to 3,579.85, 4,940.36 and 2,008.05

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Solution

The fourth proportional to 3,579.85, 4,940.36 and 2,008.05 is: 2,771.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.85 : 4,940.36 = 2,008.05 : x
  2. Step 2: Convert to fraction form
    3,579.85/4,940.36 = 2,008.05/x
  3. Step 3: Cross multiply
    3,579.85x = 4,940.36 × 2,008.05
  4. Step 4: Simplify right side
    3,579.85x = 9,920,489.90
  5. Step 5: Solve for x
    x = 9,920,489.90/3,579.85
  6. Step 6: Final answer
    x = 2,771.20

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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.