Finding the Fourth Proportional to 2,456.17, 3,684.27 and 994.99
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Solution
The fourth proportional to 2,456.17, 3,684.27 and 994.99 is: 1,492.49
Step by Step Solution
- Step 1: Write the proportion equation
2,456.17 : 3,684.27 = 994.99 : x - Step 2: Convert to fraction form
2,456.17/3,684.27 = 994.99/x - Step 3: Cross multiply
2,456.17x = 3,684.27 × 994.99 - Step 4: Simplify right side
2,456.17x = 3,665,811.81 - Step 5: Solve for x
x = 3,665,811.81/2,456.17 - Step 6: Final answer
x = 1,492.49
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Double scale
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Similar ratio
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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.