Home / 3,727.75-5,143.88-2,235.73

Finding the Fourth Proportional to 3,727.75, 5,143.88 and 2,235.73

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Solution

The fourth proportional to 3,727.75, 5,143.88 and 2,235.73 is: 3,085.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,727.75 : 5,143.88 = 2,235.73 : x
  2. Step 2: Convert to fraction form
    3,727.75/5,143.88 = 2,235.73/x
  3. Step 3: Cross multiply
    3,727.75x = 5,143.88 × 2,235.73
  4. Step 4: Simplify right side
    3,727.75x = 11,500,289.93
  5. Step 5: Solve for x
    x = 11,500,289.93/3,727.75
  6. Step 6: Final answer
    x = 3,085.05

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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.