Home / 3,579.80-4,939.85-2,087.44

Finding the Fourth Proportional to 3,579.80, 4,939.85 and 2,087.44

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Solution

The fourth proportional to 3,579.80, 4,939.85 and 2,087.44 is: 2,880.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.80 : 4,939.85 = 2,087.44 : x
  2. Step 2: Convert to fraction form
    3,579.80/4,939.85 = 2,087.44/x
  3. Step 3: Cross multiply
    3,579.80x = 4,939.85 × 2,087.44
  4. Step 4: Simplify right side
    3,579.80x = 10,311,633.35
  5. Step 5: Solve for x
    x = 10,311,633.35/3,579.80
  6. Step 6: Final answer
    x = 2,880.51

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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.