Home / 3,724.82-5,143.73-2,400.83

Finding the Fourth Proportional to 3,724.82, 5,143.73 and 2,400.83

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Solution

The fourth proportional to 3,724.82, 5,143.73 and 2,400.83 is: 3,315.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,724.82 : 5,143.73 = 2,400.83 : x
  2. Step 2: Convert to fraction form
    3,724.82/5,143.73 = 2,400.83/x
  3. Step 3: Cross multiply
    3,724.82x = 5,143.73 × 2,400.83
  4. Step 4: Simplify right side
    3,724.82x = 12,349,183.57
  5. Step 5: Solve for x
    x = 12,349,183.57/3,724.82
  6. Step 6: Final answer
    x = 3,315.38

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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.