Home / 3,579.10-4,939.23-2,007.28

Finding the Fourth Proportional to 3,579.10, 4,939.23 and 2,007.28

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Solution

The fourth proportional to 3,579.10, 4,939.23 and 2,007.28 is: 2,770.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.10 : 4,939.23 = 2,007.28 : x
  2. Step 2: Convert to fraction form
    3,579.10/4,939.23 = 2,007.28/x
  3. Step 3: Cross multiply
    3,579.10x = 4,939.23 × 2,007.28
  4. Step 4: Simplify right side
    3,579.10x = 9,914,417.59
  5. Step 5: Solve for x
    x = 9,914,417.59/3,579.10
  6. Step 6: Final answer
    x = 2,770.09

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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.