Home / 3,218.26-4,805.89-2,751.16

Finding the Fourth Proportional to 3,218.26, 4,805.89 and 2,751.16

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Solution

The fourth proportional to 3,218.26, 4,805.89 and 2,751.16 is: 4,108.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.26 : 4,805.89 = 2,751.16 : x
  2. Step 2: Convert to fraction form
    3,218.26/4,805.89 = 2,751.16/x
  3. Step 3: Cross multiply
    3,218.26x = 4,805.89 × 2,751.16
  4. Step 4: Simplify right side
    3,218.26x = 13,221,772.33
  5. Step 5: Solve for x
    x = 13,221,772.33/3,218.26
  6. Step 6: Final answer
    x = 4,108.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.