Home / 1,940.06-2,910.37-623.38

Finding the Fourth Proportional to 1,940.06, 2,910.37 and 623.38

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Solution

The fourth proportional to 1,940.06, 2,910.37 and 623.38 is: 935.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940.06 : 2,910.37 = 623.38 : x
  2. Step 2: Convert to fraction form
    1,940.06/2,910.37 = 623.38/x
  3. Step 3: Cross multiply
    1,940.06x = 2,910.37 × 623.38
  4. Step 4: Simplify right side
    1,940.06x = 1,814,253.33
  5. Step 5: Solve for x
    x = 1,814,253.33/1,940.06
  6. Step 6: Final answer
    x = 935.15

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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.