Finding the Fourth Proportional to 2,728, 3,764.68 and 1,486
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Solution
The fourth proportional to 2,728, 3,764.68 and 1,486 is: 2,050.70
Step by Step Solution
- Step 1: Write the proportion equation
2,728 : 3,764.68 = 1,486 : x - Step 2: Convert to fraction form
2,728/3,764.68 = 1,486/x - Step 3: Cross multiply
2,728x = 3,764.68 × 1,486 - Step 4: Simplify right side
2,728x = 5,594,314.48 - Step 5: Solve for x
x = 5,594,314.48/2,728 - Step 6: Final answer
x = 2,050.70
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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.