Home / 3,579.57-4,939.32-2,087.28

Finding the Fourth Proportional to 3,579.57, 4,939.32 and 2,087.28

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Solution

The fourth proportional to 3,579.57, 4,939.32 and 2,087.28 is: 2,880.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.57 : 4,939.32 = 2,087.28 : x
  2. Step 2: Convert to fraction form
    3,579.57/4,939.32 = 2,087.28/x
  3. Step 3: Cross multiply
    3,579.57x = 4,939.32 × 2,087.28
  4. Step 4: Simplify right side
    3,579.57x = 10,309,743.85
  5. Step 5: Solve for x
    x = 10,309,743.85/3,579.57
  6. Step 6: Final answer
    x = 2,880.16

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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.