Finding the Fourth Proportional to 1,863.05, 2,793.61 and 630.02
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Solution
The fourth proportional to 1,863.05, 2,793.61 and 630.02 is: 944.70
Step by Step Solution
- Step 1: Write the proportion equation
1,863.05 : 2,793.61 = 630.02 : x - Step 2: Convert to fraction form
1,863.05/2,793.61 = 630.02/x - Step 3: Cross multiply
1,863.05x = 2,793.61 × 630.02 - Step 4: Simplify right side
1,863.05x = 1,760,030.17 - Step 5: Solve for x
x = 1,760,030.17/1,863.05 - Step 6: Final answer
x = 944.70
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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.