Home / 3,103.88-4,281-2,054.12

Finding the Fourth Proportional to 3,103.88, 4,281 and 2,054.12

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Solution

The fourth proportional to 3,103.88, 4,281 and 2,054.12 is: 2,833.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.88 : 4,281 = 2,054.12 : x
  2. Step 2: Convert to fraction form
    3,103.88/4,281 = 2,054.12/x
  3. Step 3: Cross multiply
    3,103.88x = 4,281 × 2,054.12
  4. Step 4: Simplify right side
    3,103.88x = 8,793,687.72
  5. Step 5: Solve for x
    x = 8,793,687.72/3,103.88
  6. Step 6: Final answer
    x = 2,833.13

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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.