Home / 3,579.30-4,939.20-2,007.36

Finding the Fourth Proportional to 3,579.30, 4,939.20 and 2,007.36

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Solution

The fourth proportional to 3,579.30, 4,939.20 and 2,007.36 is: 2,770.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.30 : 4,939.20 = 2,007.36 : x
  2. Step 2: Convert to fraction form
    3,579.30/4,939.20 = 2,007.36/x
  3. Step 3: Cross multiply
    3,579.30x = 4,939.20 × 2,007.36
  4. Step 4: Simplify right side
    3,579.30x = 9,914,752.51
  5. Step 5: Solve for x
    x = 9,914,752.51/3,579.30
  6. Step 6: Final answer
    x = 2,770.03

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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.