Finding the Fourth Proportional to 2,548.60, 3,821.74 and 793.09
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Solution
The fourth proportional to 2,548.60, 3,821.74 and 793.09 is: 1,189.27
Step by Step Solution
- Step 1: Write the proportion equation
2,548.60 : 3,821.74 = 793.09 : x - Step 2: Convert to fraction form
2,548.60/3,821.74 = 793.09/x - Step 3: Cross multiply
2,548.60x = 3,821.74 × 793.09 - Step 4: Simplify right side
2,548.60x = 3,030,983.78 - Step 5: Solve for x
x = 3,030,983.78/2,548.60 - Step 6: Final answer
x = 1,189.27
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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.