Finding the Fourth Proportional to 1,676.48, 2,514.72 and 443.99
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Solution
The fourth proportional to 1,676.48, 2,514.72 and 443.99 is: 665.98
Step by Step Solution
- Step 1: Write the proportion equation
1,676.48 : 2,514.72 = 443.99 : x - Step 2: Convert to fraction form
1,676.48/2,514.72 = 443.99/x - Step 3: Cross multiply
1,676.48x = 2,514.72 × 443.99 - Step 4: Simplify right side
1,676.48x = 1,116,508.92 - Step 5: Solve for x
x = 1,116,508.92/1,676.48 - Step 6: Final answer
x = 665.98
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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.