Finding the Fourth Proportional to 1,096.02, 1,512 and 747.18
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Solution
The fourth proportional to 1,096.02, 1,512 and 747.18 is: 1,030.76
Step by Step Solution
- Step 1: Write the proportion equation
1,096.02 : 1,512 = 747.18 : x - Step 2: Convert to fraction form
1,096.02/1,512 = 747.18/x - Step 3: Cross multiply
1,096.02x = 1,512 × 747.18 - Step 4: Simplify right side
1,096.02x = 1,129,736.16 - Step 5: Solve for x
x = 1,129,736.16/1,096.02 - Step 6: Final answer
x = 1,030.76
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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.