Home / 3,805.45-5,252.95-2,863.97

Finding the Fourth Proportional to 3,805.45, 5,252.95 and 2,863.97

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Solution

The fourth proportional to 3,805.45, 5,252.95 and 2,863.97 is: 3,953.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,805.45 : 5,252.95 = 2,863.97 : x
  2. Step 2: Convert to fraction form
    3,805.45/5,252.95 = 2,863.97/x
  3. Step 3: Cross multiply
    3,805.45x = 5,252.95 × 2,863.97
  4. Step 4: Simplify right side
    3,805.45x = 15,044,297.18
  5. Step 5: Solve for x
    x = 15,044,297.18/3,805.45
  6. Step 6: Final answer
    x = 3,953.36

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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.