Home / 2,629.09-3,935.45-1,967.09

Finding the Fourth Proportional to 2,629.09, 3,935.45 and 1,967.09

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Solution

The fourth proportional to 2,629.09, 3,935.45 and 1,967.09 is: 2,944.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629.09 : 3,935.45 = 1,967.09 : x
  2. Step 2: Convert to fraction form
    2,629.09/3,935.45 = 1,967.09/x
  3. Step 3: Cross multiply
    2,629.09x = 3,935.45 × 1,967.09
  4. Step 4: Simplify right side
    2,629.09x = 7,741,369.58
  5. Step 5: Solve for x
    x = 7,741,369.58/2,629.09
  6. Step 6: Final answer
    x = 2,944.50

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1.5x scale

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.