Home / 3,935.82-5,431.96-2,542.62

Finding the Fourth Proportional to 3,935.82, 5,431.96 and 2,542.62

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Solution

The fourth proportional to 3,935.82, 5,431.96 and 2,542.62 is: 3,509.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935.82 : 5,431.96 = 2,542.62 : x
  2. Step 2: Convert to fraction form
    3,935.82/5,431.96 = 2,542.62/x
  3. Step 3: Cross multiply
    3,935.82x = 5,431.96 × 2,542.62
  4. Step 4: Simplify right side
    3,935.82x = 13,811,410.14
  5. Step 5: Solve for x
    x = 13,811,410.14/3,935.82
  6. Step 6: Final answer
    x = 3,509.16

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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.