Finding the Fourth Proportional to 1,782, 2,672.55 and 549.09
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Solution
The fourth proportional to 1,782, 2,672.55 and 549.09 is: 823.50
Step by Step Solution
- Step 1: Write the proportion equation
1,782 : 2,672.55 = 549.09 : x - Step 2: Convert to fraction form
1,782/2,672.55 = 549.09/x - Step 3: Cross multiply
1,782x = 2,672.55 × 549.09 - Step 4: Simplify right side
1,782x = 1,467,470.48 - Step 5: Solve for x
x = 1,467,470.48/1,782 - Step 6: Final answer
x = 823.50
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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.