Finding the Fourth Proportional to 1,096.08, 1,512 and 653.70
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Solution
The fourth proportional to 1,096.08, 1,512 and 653.70 is: 901.75
Step by Step Solution
- Step 1: Write the proportion equation
1,096.08 : 1,512 = 653.70 : x - Step 2: Convert to fraction form
1,096.08/1,512 = 653.70/x - Step 3: Cross multiply
1,096.08x = 1,512 × 653.70 - Step 4: Simplify right side
1,096.08x = 988,394.40 - Step 5: Solve for x
x = 988,394.40/1,096.08 - Step 6: Final answer
x = 901.75
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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.