Home / 2,094.78-3,135.68-1,940.33

Finding the Fourth Proportional to 2,094.78, 3,135.68 and 1,940.33

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Solution

The fourth proportional to 2,094.78, 3,135.68 and 1,940.33 is: 2,904.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,094.78 : 3,135.68 = 1,940.33 : x
  2. Step 2: Convert to fraction form
    2,094.78/3,135.68 = 1,940.33/x
  3. Step 3: Cross multiply
    2,094.78x = 3,135.68 × 1,940.33
  4. Step 4: Simplify right side
    2,094.78x = 6,084,228.59
  5. Step 5: Solve for x
    x = 6,084,228.59/2,094.78
  6. Step 6: Final answer
    x = 2,904.47

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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.