Finding the Third Proportional to 1,936 and 4,190
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Solution
The third proportional to 1,936 and 4,190 is: 9,068.23
Step by Step Solution
- Step 1: Write the proportion equation
1,936 : 4,190 = 4,190 : x - Step 2: Convert to fraction form
1,936/4,190 = 4,190/x - Step 3: Cross multiply
1,936x = 4,190 × 4,190 - Step 4: Simplify right side
1,936x = 17,556,100 - Step 5: Solve for x
x = 17,556,100/1,936 - Step 6: Final answer
x = 9,068.23
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.