Finding the Fourth Proportional to 2,182.87, 3,274.71 and 723.05
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Solution
The fourth proportional to 2,182.87, 3,274.71 and 723.05 is: 1,084.70
Step by Step Solution
- Step 1: Write the proportion equation
2,182.87 : 3,274.71 = 723.05 : x - Step 2: Convert to fraction form
2,182.87/3,274.71 = 723.05/x - Step 3: Cross multiply
2,182.87x = 3,274.71 × 723.05 - Step 4: Simplify right side
2,182.87x = 2,367,759.08 - Step 5: Solve for x
x = 2,367,759.08/2,182.87 - Step 6: Final answer
x = 1,084.70
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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.