Home / 3,895.74-5,376.09-2,127.33

Finding the Fourth Proportional to 3,895.74, 5,376.09 and 2,127.33

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Solution

The fourth proportional to 3,895.74, 5,376.09 and 2,127.33 is: 2,935.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895.74 : 5,376.09 = 2,127.33 : x
  2. Step 2: Convert to fraction form
    3,895.74/5,376.09 = 2,127.33/x
  3. Step 3: Cross multiply
    3,895.74x = 5,376.09 × 2,127.33
  4. Step 4: Simplify right side
    3,895.74x = 11,436,717.54
  5. Step 5: Solve for x
    x = 11,436,717.54/3,895.74
  6. Step 6: Final answer
    x = 2,935.70

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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.