Home / 3,723.61-5,137.53-2,935.21

Finding the Fourth Proportional to 3,723.61, 5,137.53 and 2,935.21

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Solution

The fourth proportional to 3,723.61, 5,137.53 and 2,935.21 is: 4,049.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,723.61 : 5,137.53 = 2,935.21 : x
  2. Step 2: Convert to fraction form
    3,723.61/5,137.53 = 2,935.21/x
  3. Step 3: Cross multiply
    3,723.61x = 5,137.53 × 2,935.21
  4. Step 4: Simplify right side
    3,723.61x = 15,079,729.43
  5. Step 5: Solve for x
    x = 15,079,729.43/3,723.61
  6. Step 6: Final answer
    x = 4,049.76

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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.