Home / 3,945.18-5,913.57-2,968.26

Finding the Fourth Proportional to 3,945.18, 5,913.57 and 2,968.26

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Solution

The fourth proportional to 3,945.18, 5,913.57 and 2,968.26 is: 4,449.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945.18 : 5,913.57 = 2,968.26 : x
  2. Step 2: Convert to fraction form
    3,945.18/5,913.57 = 2,968.26/x
  3. Step 3: Cross multiply
    3,945.18x = 5,913.57 × 2,968.26
  4. Step 4: Simplify right side
    3,945.18x = 17,553,013.29
  5. Step 5: Solve for x
    x = 17,553,013.29/3,945.18
  6. Step 6: Final answer
    x = 4,449.23

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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.