Finding the Fourth Proportional to 1,816.43, 2,724.64 and 842.00
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Solution
The fourth proportional to 1,816.43, 2,724.64 and 842.00 is: 1,262.99
Step by Step Solution
- Step 1: Write the proportion equation
1,816.43 : 2,724.64 = 842.00 : x - Step 2: Convert to fraction form
1,816.43/2,724.64 = 842.00/x - Step 3: Cross multiply
1,816.43x = 2,724.64 × 842.00 - Step 4: Simplify right side
1,816.43x = 2,294,131.15 - Step 5: Solve for x
x = 2,294,131.15/1,816.43 - Step 6: Final answer
x = 1,262.99
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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.