Finding the Fourth Proportional to 2,187.99, 3,282 and 627.99
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Solution
The fourth proportional to 2,187.99, 3,282 and 627.99 is: 941.99
Step by Step Solution
- Step 1: Write the proportion equation
2,187.99 : 3,282 = 627.99 : x - Step 2: Convert to fraction form
2,187.99/3,282 = 627.99/x - Step 3: Cross multiply
2,187.99x = 3,282 × 627.99 - Step 4: Simplify right side
2,187.99x = 2,061,063.18 - Step 5: Solve for x
x = 2,061,063.18/2,187.99 - Step 6: Final answer
x = 941.99
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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.