Home / 1,936.74-2,672.40-1,097.31

Finding the Fourth Proportional to 1,936.74, 2,672.40 and 1,097.31

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Solution

The fourth proportional to 1,936.74, 2,672.40 and 1,097.31 is: 1,514.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936.74 : 2,672.40 = 1,097.31 : x
  2. Step 2: Convert to fraction form
    1,936.74/2,672.40 = 1,097.31/x
  3. Step 3: Cross multiply
    1,936.74x = 2,672.40 × 1,097.31
  4. Step 4: Simplify right side
    1,936.74x = 2,932,451.24
  5. Step 5: Solve for x
    x = 2,932,451.24/1,936.74
  6. Step 6: Final answer
    x = 1,514.12

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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.