Home / 3,242.97-4,865.67-1,945.35

Finding the Fourth Proportional to 3,242.97, 4,865.67 and 1,945.35

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Solution

The fourth proportional to 3,242.97, 4,865.67 and 1,945.35 is: 2,918.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,242.97 : 4,865.67 = 1,945.35 : x
  2. Step 2: Convert to fraction form
    3,242.97/4,865.67 = 1,945.35/x
  3. Step 3: Cross multiply
    3,242.97x = 4,865.67 × 1,945.35
  4. Step 4: Simplify right side
    3,242.97x = 9,465,431.13
  5. Step 5: Solve for x
    x = 9,465,431.13/3,242.97
  6. Step 6: Final answer
    x = 2,918.75

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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.