Home / 3,579.54-4,939.74-2,007.60

Finding the Fourth Proportional to 3,579.54, 4,939.74 and 2,007.60

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Solution

The fourth proportional to 3,579.54, 4,939.74 and 2,007.60 is: 2,770.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.54 : 4,939.74 = 2,007.60 : x
  2. Step 2: Convert to fraction form
    3,579.54/4,939.74 = 2,007.60/x
  3. Step 3: Cross multiply
    3,579.54x = 4,939.74 × 2,007.60
  4. Step 4: Simplify right side
    3,579.54x = 9,917,022.02
  5. Step 5: Solve for x
    x = 9,917,022.02/3,579.54
  6. Step 6: Final answer
    x = 2,770.47

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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.