Home / 2,629.14-3,935.20-1,935.66

Finding the Fourth Proportional to 2,629.14, 3,935.20 and 1,935.66

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Solution

The fourth proportional to 2,629.14, 3,935.20 and 1,935.66 is: 2,897.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,629.14 : 3,935.20 = 1,935.66 : x
  2. Step 2: Convert to fraction form
    2,629.14/3,935.20 = 1,935.66/x
  3. Step 3: Cross multiply
    2,629.14x = 3,935.20 × 1,935.66
  4. Step 4: Simplify right side
    2,629.14x = 7,617,209.23
  5. Step 5: Solve for x
    x = 7,617,209.23/2,629.14
  6. Step 6: Final answer
    x = 2,897.22

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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.