Finding the Fourth Proportional to 2,144.93, 3,217.19 and 684.09
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Solution
The fourth proportional to 2,144.93, 3,217.19 and 684.09 is: 1,026.07
Step by Step Solution
- Step 1: Write the proportion equation
2,144.93 : 3,217.19 = 684.09 : x - Step 2: Convert to fraction form
2,144.93/3,217.19 = 684.09/x - Step 3: Cross multiply
2,144.93x = 3,217.19 × 684.09 - Step 4: Simplify right side
2,144.93x = 2,200,844.09 - Step 5: Solve for x
x = 2,200,844.09/2,144.93 - Step 6: Final answer
x = 1,026.07
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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.