Home / 3,580.19-4,940.66-2,008.79

Finding the Fourth Proportional to 3,580.19, 4,940.66 and 2,008.79

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Solution

The fourth proportional to 3,580.19, 4,940.66 and 2,008.79 is: 2,772.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.19 : 4,940.66 = 2,008.79 : x
  2. Step 2: Convert to fraction form
    3,580.19/4,940.66 = 2,008.79/x
  3. Step 3: Cross multiply
    3,580.19x = 4,940.66 × 2,008.79
  4. Step 4: Simplify right side
    3,580.19x = 9,924,748.40
  5. Step 5: Solve for x
    x = 9,924,748.40/3,580.19
  6. Step 6: Final answer
    x = 2,772.13

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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.