Home / 3,935.87-5,912.47-2,376.80

Finding the Fourth Proportional to 3,935.87, 5,912.47 and 2,376.80

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Solution

The fourth proportional to 3,935.87, 5,912.47 and 2,376.80 is: 3,570.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935.87 : 5,912.47 = 2,376.80 : x
  2. Step 2: Convert to fraction form
    3,935.87/5,912.47 = 2,376.80/x
  3. Step 3: Cross multiply
    3,935.87x = 5,912.47 × 2,376.80
  4. Step 4: Simplify right side
    3,935.87x = 14,052,767.54
  5. Step 5: Solve for x
    x = 14,052,767.54/3,935.87
  6. Step 6: Final answer
    x = 3,570.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.