Home / 3,808.75-5,256.27-2,237.35

Finding the Fourth Proportional to 3,808.75, 5,256.27 and 2,237.35

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Solution

The fourth proportional to 3,808.75, 5,256.27 and 2,237.35 is: 3,087.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,808.75 : 5,256.27 = 2,237.35 : x
  2. Step 2: Convert to fraction form
    3,808.75/5,256.27 = 2,237.35/x
  3. Step 3: Cross multiply
    3,808.75x = 5,256.27 × 2,237.35
  4. Step 4: Simplify right side
    3,808.75x = 11,760,115.68
  5. Step 5: Solve for x
    x = 11,760,115.68/3,808.75
  6. Step 6: Final answer
    x = 3,087.66

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Half scale
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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.