Home / 3,863.83-5,795.43-1,231.23

Finding the Fourth Proportional to 3,863.83, 5,795.43 and 1,231.23

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Solution

The fourth proportional to 3,863.83, 5,795.43 and 1,231.23 is: 1,846.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863.83 : 5,795.43 = 1,231.23 : x
  2. Step 2: Convert to fraction form
    3,863.83/5,795.43 = 1,231.23/x
  3. Step 3: Cross multiply
    3,863.83x = 5,795.43 × 1,231.23
  4. Step 4: Simplify right side
    3,863.83x = 7,135,486.63
  5. Step 5: Solve for x
    x = 7,135,486.63/3,863.83
  6. Step 6: Final answer
    x = 1,846.74

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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.