Home / 2,682.82-3,703.92-2,125.54

Finding the Fourth Proportional to 2,682.82, 3,703.92 and 2,125.54

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Solution

The fourth proportional to 2,682.82, 3,703.92 and 2,125.54 is: 2,934.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,682.82 : 3,703.92 = 2,125.54 : x
  2. Step 2: Convert to fraction form
    2,682.82/3,703.92 = 2,125.54/x
  3. Step 3: Cross multiply
    2,682.82x = 3,703.92 × 2,125.54
  4. Step 4: Simplify right side
    2,682.82x = 7,872,830.12
  5. Step 5: Solve for x
    x = 7,872,830.12/2,682.82
  6. Step 6: Final answer
    x = 2,934.54

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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.