Home / 1,940.31-2,677.56-1,195.52

Finding the Fourth Proportional to 1,940.31, 2,677.56 and 1,195.52

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Solution

The fourth proportional to 1,940.31, 2,677.56 and 1,195.52 is: 1,649.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940.31 : 2,677.56 = 1,195.52 : x
  2. Step 2: Convert to fraction form
    1,940.31/2,677.56 = 1,195.52/x
  3. Step 3: Cross multiply
    1,940.31x = 2,677.56 × 1,195.52
  4. Step 4: Simplify right side
    1,940.31x = 3,201,063.14
  5. Step 5: Solve for x
    x = 3,201,063.14/1,940.31
  6. Step 6: Final answer
    x = 1,649.77

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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.