Home / 3,579.28-4,939.36-2,007.36

Finding the Fourth Proportional to 3,579.28, 4,939.36 and 2,007.36

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Solution

The fourth proportional to 3,579.28, 4,939.36 and 2,007.36 is: 2,770.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.28 : 4,939.36 = 2,007.36 : x
  2. Step 2: Convert to fraction form
    3,579.28/4,939.36 = 2,007.36/x
  3. Step 3: Cross multiply
    3,579.28x = 4,939.36 × 2,007.36
  4. Step 4: Simplify right side
    3,579.28x = 9,915,073.69
  5. Step 5: Solve for x
    x = 9,915,073.69/3,579.28
  6. Step 6: Final answer
    x = 2,770.13

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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.