Home / 3,919.96-5,407.66-2,263

Finding the Fourth Proportional to 3,919.96, 5,407.66 and 2,263

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Solution

The fourth proportional to 3,919.96, 5,407.66 and 2,263 is: 3,121.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919.96 : 5,407.66 = 2,263 : x
  2. Step 2: Convert to fraction form
    3,919.96/5,407.66 = 2,263/x
  3. Step 3: Cross multiply
    3,919.96x = 5,407.66 × 2,263
  4. Step 4: Simplify right side
    3,919.96x = 12,237,534.58
  5. Step 5: Solve for x
    x = 12,237,534.58/3,919.96
  6. Step 6: Final answer
    x = 3,121.85

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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.