Home / 3,805.33-5,251.51-2,127.28

Finding the Fourth Proportional to 3,805.33, 5,251.51 and 2,127.28

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Solution

The fourth proportional to 3,805.33, 5,251.51 and 2,127.28 is: 2,935.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,805.33 : 5,251.51 = 2,127.28 : x
  2. Step 2: Convert to fraction form
    3,805.33/5,251.51 = 2,127.28/x
  3. Step 3: Cross multiply
    3,805.33x = 5,251.51 × 2,127.28
  4. Step 4: Simplify right side
    3,805.33x = 11,171,432.19
  5. Step 5: Solve for x
    x = 11,171,432.19/3,805.33
  6. Step 6: Final answer
    x = 2,935.73

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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.