Home / 3,579.68-4,939.67-2,007.47

Finding the Fourth Proportional to 3,579.68, 4,939.67 and 2,007.47

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Solution

The fourth proportional to 3,579.68, 4,939.67 and 2,007.47 is: 2,770.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.68 : 4,939.67 = 2,007.47 : x
  2. Step 2: Convert to fraction form
    3,579.68/4,939.67 = 2,007.47/x
  3. Step 3: Cross multiply
    3,579.68x = 4,939.67 × 2,007.47
  4. Step 4: Simplify right side
    3,579.68x = 9,916,256.70
  5. Step 5: Solve for x
    x = 9,916,256.70/3,579.68
  6. Step 6: Final answer
    x = 2,770.15

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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.