Home / 3,579.66-4,939.89-2,182.41

Finding the Fourth Proportional to 3,579.66, 4,939.89 and 2,182.41

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Solution

The fourth proportional to 3,579.66, 4,939.89 and 2,182.41 is: 3,011.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.66 : 4,939.89 = 2,182.41 : x
  2. Step 2: Convert to fraction form
    3,579.66/4,939.89 = 2,182.41/x
  3. Step 3: Cross multiply
    3,579.66x = 4,939.89 × 2,182.41
  4. Step 4: Simplify right side
    3,579.66x = 10,780,865.33
  5. Step 5: Solve for x
    x = 10,780,865.33/3,579.66
  6. Step 6: Final answer
    x = 3,011.70

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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.