Finding the Fourth Proportional to 2,523.96, 3,786.58 and 985.08
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Solution
The fourth proportional to 2,523.96, 3,786.58 and 985.08 is: 1,477.87
Step by Step Solution
- Step 1: Write the proportion equation
2,523.96 : 3,786.58 = 985.08 : x - Step 2: Convert to fraction form
2,523.96/3,786.58 = 985.08/x - Step 3: Cross multiply
2,523.96x = 3,786.58 × 985.08 - Step 4: Simplify right side
2,523.96x = 3,730,084.23 - Step 5: Solve for x
x = 3,730,084.23/2,523.96 - Step 6: Final answer
x = 1,477.87
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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.