Finding the Fourth Proportional to 1,816, 2,723.99 and 661.75
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Solution
The fourth proportional to 1,816, 2,723.99 and 661.75 is: 992.62
Step by Step Solution
- Step 1: Write the proportion equation
1,816 : 2,723.99 = 661.75 : x - Step 2: Convert to fraction form
1,816/2,723.99 = 661.75/x - Step 3: Cross multiply
1,816x = 2,723.99 × 661.75 - Step 4: Simplify right side
1,816x = 1,802,600.38 - Step 5: Solve for x
x = 1,802,600.38/1,816 - Step 6: Final answer
x = 992.62
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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.