Home / 3,784.09-5,665.17-3,160.79

Finding the Fourth Proportional to 3,784.09, 5,665.17 and 3,160.79

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Solution

The fourth proportional to 3,784.09, 5,665.17 and 3,160.79 is: 4,732.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,784.09 : 5,665.17 = 3,160.79 : x
  2. Step 2: Convert to fraction form
    3,784.09/5,665.17 = 3,160.79/x
  3. Step 3: Cross multiply
    3,784.09x = 5,665.17 × 3,160.79
  4. Step 4: Simplify right side
    3,784.09x = 17,906,412.68
  5. Step 5: Solve for x
    x = 17,906,412.68/3,784.09
  6. Step 6: Final answer
    x = 4,732.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.