Home / 3,113.56-4,292.22-2,553.22

Finding the Fourth Proportional to 3,113.56, 4,292.22 and 2,553.22

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Solution

The fourth proportional to 3,113.56, 4,292.22 and 2,553.22 is: 3,519.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.56 : 4,292.22 = 2,553.22 : x
  2. Step 2: Convert to fraction form
    3,113.56/4,292.22 = 2,553.22/x
  3. Step 3: Cross multiply
    3,113.56x = 4,292.22 × 2,553.22
  4. Step 4: Simplify right side
    3,113.56x = 10,958,981.95
  5. Step 5: Solve for x
    x = 10,958,981.95/3,113.56
  6. Step 6: Final answer
    x = 3,519.76

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1.5x scale

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.