Finding the Fourth Proportional to 2,733.21, 3,771.56 and 1,554.05
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Solution
The fourth proportional to 2,733.21, 3,771.56 and 1,554.05 is: 2,144.44
Step by Step Solution
- Step 1: Write the proportion equation
2,733.21 : 3,771.56 = 1,554.05 : x - Step 2: Convert to fraction form
2,733.21/3,771.56 = 1,554.05/x - Step 3: Cross multiply
2,733.21x = 3,771.56 × 1,554.05 - Step 4: Simplify right side
2,733.21x = 5,861,206.13 - Step 5: Solve for x
x = 5,861,206.13/2,733.21 - Step 6: Final answer
x = 2,144.44
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.