Home / 3,517.75-5,276.63-1,209.25

Finding the Fourth Proportional to 3,517.75, 5,276.63 and 1,209.25

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Solution

The fourth proportional to 3,517.75, 5,276.63 and 1,209.25 is: 1,813.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517.75 : 5,276.63 = 1,209.25 : x
  2. Step 2: Convert to fraction form
    3,517.75/5,276.63 = 1,209.25/x
  3. Step 3: Cross multiply
    3,517.75x = 5,276.63 × 1,209.25
  4. Step 4: Simplify right side
    3,517.75x = 6,380,764.83
  5. Step 5: Solve for x
    x = 6,380,764.83/3,517.75
  6. Step 6: Final answer
    x = 1,813.88

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.