Home / 3,579.76-4,939.73-2,007.55

Finding the Fourth Proportional to 3,579.76, 4,939.73 and 2,007.55

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Solution

The fourth proportional to 3,579.76, 4,939.73 and 2,007.55 is: 2,770.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.76 : 4,939.73 = 2,007.55 : x
  2. Step 2: Convert to fraction form
    3,579.76/4,939.73 = 2,007.55/x
  3. Step 3: Cross multiply
    3,579.76x = 4,939.73 × 2,007.55
  4. Step 4: Simplify right side
    3,579.76x = 9,916,730.26
  5. Step 5: Solve for x
    x = 9,916,730.26/3,579.76
  6. Step 6: Final answer
    x = 2,770.23

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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.