Home / 3,579.71-4,939.97-2,255.15

Finding the Fourth Proportional to 3,579.71, 4,939.97 and 2,255.15

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Solution

The fourth proportional to 3,579.71, 4,939.97 and 2,255.15 is: 3,112.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.71 : 4,939.97 = 2,255.15 : x
  2. Step 2: Convert to fraction form
    3,579.71/4,939.97 = 2,255.15/x
  3. Step 3: Cross multiply
    3,579.71x = 4,939.97 × 2,255.15
  4. Step 4: Simplify right side
    3,579.71x = 11,140,337.37
  5. Step 5: Solve for x
    x = 11,140,337.37/3,579.71
  6. Step 6: Final answer
    x = 3,112.08

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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.