Home / 3,896.88-5,371.24-2,761.10

Finding the Fourth Proportional to 3,896.88, 5,371.24 and 2,761.10

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Solution

The fourth proportional to 3,896.88, 5,371.24 and 2,761.10 is: 3,805.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,896.88 : 5,371.24 = 2,761.10 : x
  2. Step 2: Convert to fraction form
    3,896.88/5,371.24 = 2,761.10/x
  3. Step 3: Cross multiply
    3,896.88x = 5,371.24 × 2,761.10
  4. Step 4: Simplify right side
    3,896.88x = 14,830,530.76
  5. Step 5: Solve for x
    x = 14,830,530.76/3,896.88
  6. Step 6: Final answer
    x = 3,805.74

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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.