Home / 3,579.27-4,939.08-2,087.32

Finding the Fourth Proportional to 3,579.27, 4,939.08 and 2,087.32

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Solution

The fourth proportional to 3,579.27, 4,939.08 and 2,087.32 is: 2,880.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.27 : 4,939.08 = 2,087.32 : x
  2. Step 2: Convert to fraction form
    3,579.27/4,939.08 = 2,087.32/x
  3. Step 3: Cross multiply
    3,579.27x = 4,939.08 × 2,087.32
  4. Step 4: Simplify right side
    3,579.27x = 10,309,429.55
  5. Step 5: Solve for x
    x = 10,309,429.55/3,579.27
  6. Step 6: Final answer
    x = 2,880.31

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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.