Home / 3,078.12-4,249.53-2,032.02

Finding the Fourth Proportional to 3,078.12, 4,249.53 and 2,032.02

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Solution

The fourth proportional to 3,078.12, 4,249.53 and 2,032.02 is: 2,805.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078.12 : 4,249.53 = 2,032.02 : x
  2. Step 2: Convert to fraction form
    3,078.12/4,249.53 = 2,032.02/x
  3. Step 3: Cross multiply
    3,078.12x = 4,249.53 × 2,032.02
  4. Step 4: Simplify right side
    3,078.12x = 8,635,129.95
  5. Step 5: Solve for x
    x = 8,635,129.95/3,078.12
  6. Step 6: Final answer
    x = 2,805.33

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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.