Finding the Fourth Proportional to 2,684.68, 3,704.99 and 1,676.99
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Solution
The fourth proportional to 2,684.68, 3,704.99 and 1,676.99 is: 2,314.33
Step by Step Solution
- Step 1: Write the proportion equation
2,684.68 : 3,704.99 = 1,676.99 : x - Step 2: Convert to fraction form
2,684.68/3,704.99 = 1,676.99/x - Step 3: Cross multiply
2,684.68x = 3,704.99 × 1,676.99 - Step 4: Simplify right side
2,684.68x = 6,213,231.18 - Step 5: Solve for x
x = 6,213,231.18/2,684.68 - Step 6: Final answer
x = 2,314.33
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1.5x scale
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.