Finding the Fourth Proportional to 2,160.96, 3,242 and 622.08
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Solution
The fourth proportional to 2,160.96, 3,242 and 622.08 is: 933.28
Step by Step Solution
- Step 1: Write the proportion equation
2,160.96 : 3,242 = 622.08 : x - Step 2: Convert to fraction form
2,160.96/3,242 = 622.08/x - Step 3: Cross multiply
2,160.96x = 3,242 × 622.08 - Step 4: Simplify right side
2,160.96x = 2,016,783.36 - Step 5: Solve for x
x = 2,016,783.36/2,160.96 - Step 6: Final answer
x = 933.28
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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.