Home / 3,579.72-4,940.00-2,007.81

Finding the Fourth Proportional to 3,579.72, 4,940.00 and 2,007.81

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Solution

The fourth proportional to 3,579.72, 4,940.00 and 2,007.81 is: 2,770.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.72 : 4,940.00 = 2,007.81 : x
  2. Step 2: Convert to fraction form
    3,579.72/4,940.00 = 2,007.81/x
  3. Step 3: Cross multiply
    3,579.72x = 4,940.00 × 2,007.81
  4. Step 4: Simplify right side
    3,579.72x = 9,918,597.42
  5. Step 5: Solve for x
    x = 9,918,597.42/3,579.72
  6. Step 6: Final answer
    x = 2,770.77

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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.