Home / 3,930.09-5,901.41-2,287.81

Finding the Fourth Proportional to 3,930.09, 5,901.41 and 2,287.81

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Solution

The fourth proportional to 3,930.09, 5,901.41 and 2,287.81 is: 3,435.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,930.09 : 5,901.41 = 2,287.81 : x
  2. Step 2: Convert to fraction form
    3,930.09/5,901.41 = 2,287.81/x
  3. Step 3: Cross multiply
    3,930.09x = 5,901.41 × 2,287.81
  4. Step 4: Simplify right side
    3,930.09x = 13,501,304.81
  5. Step 5: Solve for x
    x = 13,501,304.81/3,930.09
  6. Step 6: Final answer
    x = 3,435.37

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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.