Finding the Fourth Proportional to 2,334.87, 3,222.12 and 1,286.95
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Solution
The fourth proportional to 2,334.87, 3,222.12 and 1,286.95 is: 1,775.99
Step by Step Solution
- Step 1: Write the proportion equation
2,334.87 : 3,222.12 = 1,286.95 : x - Step 2: Convert to fraction form
2,334.87/3,222.12 = 1,286.95/x - Step 3: Cross multiply
2,334.87x = 3,222.12 × 1,286.95 - Step 4: Simplify right side
2,334.87x = 4,146,707.33 - Step 5: Solve for x
x = 4,146,707.33/2,334.87 - Step 6: Final answer
x = 1,775.99
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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.