Home / 3,816.72-5,725.08-2,086.56

Finding the Fourth Proportional to 3,816.72, 5,725.08 and 2,086.56

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Solution

The fourth proportional to 3,816.72, 5,725.08 and 2,086.56 is: 3,129.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816.72 : 5,725.08 = 2,086.56 : x
  2. Step 2: Convert to fraction form
    3,816.72/5,725.08 = 2,086.56/x
  3. Step 3: Cross multiply
    3,816.72x = 5,725.08 × 2,086.56
  4. Step 4: Simplify right side
    3,816.72x = 11,945,722.92
  5. Step 5: Solve for x
    x = 11,945,722.92/3,816.72
  6. Step 6: Final answer
    x = 3,129.84

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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.