Home / 3,829.51-5,279.82-2,568.55

Finding the Fourth Proportional to 3,829.51, 5,279.82 and 2,568.55

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Solution

The fourth proportional to 3,829.51, 5,279.82 and 2,568.55 is: 3,541.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,829.51 : 5,279.82 = 2,568.55 : x
  2. Step 2: Convert to fraction form
    3,829.51/5,279.82 = 2,568.55/x
  3. Step 3: Cross multiply
    3,829.51x = 5,279.82 × 2,568.55
  4. Step 4: Simplify right side
    3,829.51x = 13,561,481.66
  5. Step 5: Solve for x
    x = 13,561,481.66/3,829.51
  6. Step 6: Final answer
    x = 3,541.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.