Home / 1,936.69-2,672.70-1,097.35

Finding the Fourth Proportional to 1,936.69, 2,672.70 and 1,097.35

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Solution

The fourth proportional to 1,936.69, 2,672.70 and 1,097.35 is: 1,514.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936.69 : 2,672.70 = 1,097.35 : x
  2. Step 2: Convert to fraction form
    1,936.69/2,672.70 = 1,097.35/x
  3. Step 3: Cross multiply
    1,936.69x = 2,672.70 × 1,097.35
  4. Step 4: Simplify right side
    1,936.69x = 2,932,887.35
  5. Step 5: Solve for x
    x = 2,932,887.35/1,936.69
  6. Step 6: Final answer
    x = 1,514.38

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1.5x scale

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.