Finding the Fourth Proportional to 2,701.09, 4,049.20 and 969.31
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Solution
The fourth proportional to 2,701.09, 4,049.20 and 969.31 is: 1,453.09
Step by Step Solution
- Step 1: Write the proportion equation
2,701.09 : 4,049.20 = 969.31 : x - Step 2: Convert to fraction form
2,701.09/4,049.20 = 969.31/x - Step 3: Cross multiply
2,701.09x = 4,049.20 × 969.31 - Step 4: Simplify right side
2,701.09x = 3,924,930.05 - Step 5: Solve for x
x = 3,924,930.05/2,701.09 - Step 6: Final answer
x = 1,453.09
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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.