Home / 3,935.24-5,427.60-2,755.88

Finding the Fourth Proportional to 3,935.24, 5,427.60 and 2,755.88

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Solution

The fourth proportional to 3,935.24, 5,427.60 and 2,755.88 is: 3,800.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935.24 : 5,427.60 = 2,755.88 : x
  2. Step 2: Convert to fraction form
    3,935.24/5,427.60 = 2,755.88/x
  3. Step 3: Cross multiply
    3,935.24x = 5,427.60 × 2,755.88
  4. Step 4: Simplify right side
    3,935.24x = 14,957,814.29
  5. Step 5: Solve for x
    x = 14,957,814.29/3,935.24
  6. Step 6: Final answer
    x = 3,800.99

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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.