Home / 3,828.42-5,743.44-1,230.75

Finding the Fourth Proportional to 3,828.42, 5,743.44 and 1,230.75

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Solution

The fourth proportional to 3,828.42, 5,743.44 and 1,230.75 is: 1,846.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828.42 : 5,743.44 = 1,230.75 : x
  2. Step 2: Convert to fraction form
    3,828.42/5,743.44 = 1,230.75/x
  3. Step 3: Cross multiply
    3,828.42x = 5,743.44 × 1,230.75
  4. Step 4: Simplify right side
    3,828.42x = 7,068,738.78
  5. Step 5: Solve for x
    x = 7,068,738.78/3,828.42
  6. Step 6: Final answer
    x = 1,846.39

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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.