Finding the Fourth Proportional to 2,725.47, 4,088.81 and 994.09
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Solution
The fourth proportional to 2,725.47, 4,088.81 and 994.09 is: 1,491.36
Step by Step Solution
- Step 1: Write the proportion equation
2,725.47 : 4,088.81 = 994.09 : x - Step 2: Convert to fraction form
2,725.47/4,088.81 = 994.09/x - Step 3: Cross multiply
2,725.47x = 4,088.81 × 994.09 - Step 4: Simplify right side
2,725.47x = 4,064,645.13 - Step 5: Solve for x
x = 4,064,645.13/2,725.47 - Step 6: Final answer
x = 1,491.36
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1.5x scale
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.