Finding the Fourth Proportional to 2,083.40, 3,125.61 and 622.56
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Solution
The fourth proportional to 2,083.40, 3,125.61 and 622.56 is: 933.99
Step by Step Solution
- Step 1: Write the proportion equation
2,083.40 : 3,125.61 = 622.56 : x - Step 2: Convert to fraction form
2,083.40/3,125.61 = 622.56/x - Step 3: Cross multiply
2,083.40x = 3,125.61 × 622.56 - Step 4: Simplify right side
2,083.40x = 1,945,879.76 - Step 5: Solve for x
x = 1,945,879.76/2,083.40 - Step 6: Final answer
x = 933.99
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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.