Home / 3,857.68-5,323.57-2,089.25

Finding the Fourth Proportional to 3,857.68, 5,323.57 and 2,089.25

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Solution

The fourth proportional to 3,857.68, 5,323.57 and 2,089.25 is: 2,883.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,857.68 : 5,323.57 = 2,089.25 : x
  2. Step 2: Convert to fraction form
    3,857.68/5,323.57 = 2,089.25/x
  3. Step 3: Cross multiply
    3,857.68x = 5,323.57 × 2,089.25
  4. Step 4: Simplify right side
    3,857.68x = 11,122,236.78
  5. Step 5: Solve for x
    x = 11,122,236.78/3,857.68
  6. Step 6: Final answer
    x = 2,883.14

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.