Home / 3,520.75-4,857.82-2,104.88

Finding the Fourth Proportional to 3,520.75, 4,857.82 and 2,104.88

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Solution

The fourth proportional to 3,520.75, 4,857.82 and 2,104.88 is: 2,904.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.75 : 4,857.82 = 2,104.88 : x
  2. Step 2: Convert to fraction form
    3,520.75/4,857.82 = 2,104.88/x
  3. Step 3: Cross multiply
    3,520.75x = 4,857.82 × 2,104.88
  4. Step 4: Simplify right side
    3,520.75x = 10,225,135.04
  5. Step 5: Solve for x
    x = 10,225,135.04/3,520.75
  6. Step 6: Final answer
    x = 2,904.25

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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.