Home / 3,889.06-5,371.26-2,627.92

Finding the Fourth Proportional to 3,889.06, 5,371.26 and 2,627.92

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Solution

The fourth proportional to 3,889.06, 5,371.26 and 2,627.92 is: 3,629.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889.06 : 5,371.26 = 2,627.92 : x
  2. Step 2: Convert to fraction form
    3,889.06/5,371.26 = 2,627.92/x
  3. Step 3: Cross multiply
    3,889.06x = 5,371.26 × 2,627.92
  4. Step 4: Simplify right side
    3,889.06x = 14,115,241.58
  5. Step 5: Solve for x
    x = 14,115,241.58/3,889.06
  6. Step 6: Final answer
    x = 3,629.47

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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.