Home / 3,083.58-4,255.38-1,686.33

Finding the Fourth Proportional to 3,083.58, 4,255.38 and 1,686.33

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Solution

The fourth proportional to 3,083.58, 4,255.38 and 1,686.33 is: 2,327.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,083.58 : 4,255.38 = 1,686.33 : x
  2. Step 2: Convert to fraction form
    3,083.58/4,255.38 = 1,686.33/x
  3. Step 3: Cross multiply
    3,083.58x = 4,255.38 × 1,686.33
  4. Step 4: Simplify right side
    3,083.58x = 7,175,974.96
  5. Step 5: Solve for x
    x = 7,175,974.96/3,083.58
  6. Step 6: Final answer
    x = 2,327.16

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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.