Home / 3,713.88-5,125.32-2,222.64

Finding the Fourth Proportional to 3,713.88, 5,125.32 and 2,222.64

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Solution

The fourth proportional to 3,713.88, 5,125.32 and 2,222.64 is: 3,067.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,713.88 : 5,125.32 = 2,222.64 : x
  2. Step 2: Convert to fraction form
    3,713.88/5,125.32 = 2,222.64/x
  3. Step 3: Cross multiply
    3,713.88x = 5,125.32 × 2,222.64
  4. Step 4: Simplify right side
    3,713.88x = 11,391,741.24
  5. Step 5: Solve for x
    x = 11,391,741.24/3,713.88
  6. Step 6: Final answer
    x = 3,067.34

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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.