Home / 2,629.11-3,935.79-2,535.65

Finding the Fourth Proportional to 2,629.11, 3,935.79 and 2,535.65

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Solution

The fourth proportional to 2,629.11, 3,935.79 and 2,535.65 is: 3,795.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629.11 : 3,935.79 = 2,535.65 : x
  2. Step 2: Convert to fraction form
    2,629.11/3,935.79 = 2,535.65/x
  3. Step 3: Cross multiply
    2,629.11x = 3,935.79 × 2,535.65
  4. Step 4: Simplify right side
    2,629.11x = 9,979,785.91
  5. Step 5: Solve for x
    x = 9,979,785.91/2,629.11
  6. Step 6: Final answer
    x = 3,795.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.