Finding the Fourth Proportional to 2,213.24, 3,318.23 and 1,336.05
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Solution
The fourth proportional to 2,213.24, 3,318.23 and 1,336.05 is: 2,003.09
Step by Step Solution
- Step 1: Write the proportion equation
2,213.24 : 3,318.23 = 1,336.05 : x - Step 2: Convert to fraction form
2,213.24/3,318.23 = 1,336.05/x - Step 3: Cross multiply
2,213.24x = 3,318.23 × 1,336.05 - Step 4: Simplify right side
2,213.24x = 4,433,314.51 - Step 5: Solve for x
x = 4,433,314.51/2,213.24 - Step 6: Final answer
x = 2,003.09
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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.