Home / 3,129.92-4,713.44-2,723.95

Finding the Fourth Proportional to 3,129.92, 4,713.44 and 2,723.95

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Solution

The fourth proportional to 3,129.92, 4,713.44 and 2,723.95 is: 4,102.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129.92 : 4,713.44 = 2,723.95 : x
  2. Step 2: Convert to fraction form
    3,129.92/4,713.44 = 2,723.95/x
  3. Step 3: Cross multiply
    3,129.92x = 4,713.44 × 2,723.95
  4. Step 4: Simplify right side
    3,129.92x = 12,839,195.74
  5. Step 5: Solve for x
    x = 12,839,195.74/3,129.92
  6. Step 6: Final answer
    x = 4,102.09

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.