Finding the Fourth Proportional to 2,902.80, 4,353.80 and 954.75
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Solution
The fourth proportional to 2,902.80, 4,353.80 and 954.75 is: 1,431.99
Step by Step Solution
- Step 1: Write the proportion equation
2,902.80 : 4,353.80 = 954.75 : x - Step 2: Convert to fraction form
2,902.80/4,353.80 = 954.75/x - Step 3: Cross multiply
2,902.80x = 4,353.80 × 954.75 - Step 4: Simplify right side
2,902.80x = 4,156,785.78 - Step 5: Solve for x
x = 4,156,785.78/2,902.80 - Step 6: Final answer
x = 1,431.99
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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.