Home / 3,713.78-5,125.46-2,222.50

Finding the Fourth Proportional to 3,713.78, 5,125.46 and 2,222.50

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Solution

The fourth proportional to 3,713.78, 5,125.46 and 2,222.50 is: 3,067.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,713.78 : 5,125.46 = 2,222.50 : x
  2. Step 2: Convert to fraction form
    3,713.78/5,125.46 = 2,222.50/x
  3. Step 3: Cross multiply
    3,713.78x = 5,125.46 × 2,222.50
  4. Step 4: Simplify right side
    3,713.78x = 11,391,334.85
  5. Step 5: Solve for x
    x = 11,391,334.85/3,713.78
  6. Step 6: Final answer
    x = 3,067.32

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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.