Home / 3,955.28-5,935.79-2,918.07

Finding the Fourth Proportional to 3,955.28, 5,935.79 and 2,918.07

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Solution

The fourth proportional to 3,955.28, 5,935.79 and 2,918.07 is: 4,379.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955.28 : 5,935.79 = 2,918.07 : x
  2. Step 2: Convert to fraction form
    3,955.28/5,935.79 = 2,918.07/x
  3. Step 3: Cross multiply
    3,955.28x = 5,935.79 × 2,918.07
  4. Step 4: Simplify right side
    3,955.28x = 17,321,058.02
  5. Step 5: Solve for x
    x = 17,321,058.02/3,955.28
  6. Step 6: Final answer
    x = 4,379.23

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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.