Home / 3,895.94-5,376.50-2,127.71

Finding the Fourth Proportional to 3,895.94, 5,376.50 and 2,127.71

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Solution

The fourth proportional to 3,895.94, 5,376.50 and 2,127.71 is: 2,936.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895.94 : 5,376.50 = 2,127.71 : x
  2. Step 2: Convert to fraction form
    3,895.94/5,376.50 = 2,127.71/x
  3. Step 3: Cross multiply
    3,895.94x = 5,376.50 × 2,127.71
  4. Step 4: Simplify right side
    3,895.94x = 11,439,632.82
  5. Step 5: Solve for x
    x = 11,439,632.82/3,895.94
  6. Step 6: Final answer
    x = 2,936.30

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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.