Home / 2,629.65-3,625.92-1,958.63

Finding the Fourth Proportional to 2,629.65, 3,625.92 and 1,958.63

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Solution

The fourth proportional to 2,629.65, 3,625.92 and 1,958.63 is: 2,700.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629.65 : 3,625.92 = 1,958.63 : x
  2. Step 2: Convert to fraction form
    2,629.65/3,625.92 = 1,958.63/x
  3. Step 3: Cross multiply
    2,629.65x = 3,625.92 × 1,958.63
  4. Step 4: Simplify right side
    2,629.65x = 7,101,844.75
  5. Step 5: Solve for x
    x = 7,101,844.75/2,629.65
  6. Step 6: Final answer
    x = 2,700.68

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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.