Home / 3,894.06-5,371.39-2,775.35

Finding the Fourth Proportional to 3,894.06, 5,371.39 and 2,775.35

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Solution

The fourth proportional to 3,894.06, 5,371.39 and 2,775.35 is: 3,828.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,894.06 : 5,371.39 = 2,775.35 : x
  2. Step 2: Convert to fraction form
    3,894.06/5,371.39 = 2,775.35/x
  3. Step 3: Cross multiply
    3,894.06x = 5,371.39 × 2,775.35
  4. Step 4: Simplify right side
    3,894.06x = 14,907,487.24
  5. Step 5: Solve for x
    x = 14,907,487.24/3,894.06
  6. Step 6: Final answer
    x = 3,828.26

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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.