Home / 3,811.24-5,713.62-2,269

Finding the Fourth Proportional to 3,811.24, 5,713.62 and 2,269

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Solution

The fourth proportional to 3,811.24, 5,713.62 and 2,269 is: 3,401.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,811.24 : 5,713.62 = 2,269 : x
  2. Step 2: Convert to fraction form
    3,811.24/5,713.62 = 2,269/x
  3. Step 3: Cross multiply
    3,811.24x = 5,713.62 × 2,269
  4. Step 4: Simplify right side
    3,811.24x = 12,964,203.78
  5. Step 5: Solve for x
    x = 12,964,203.78/3,811.24
  6. Step 6: Final answer
    x = 3,401.57

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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.