Finding the Fourth Proportional to 3,817.37, 5,265.28 and 3,248.75
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Solution
The fourth proportional to 3,817.37, 5,265.28 and 3,248.75 is: 4,480.99
Step by Step Solution
- Step 1: Write the proportion equation
3,817.37 : 5,265.28 = 3,248.75 : x - Step 2: Convert to fraction form
3,817.37/5,265.28 = 3,248.75/x - Step 3: Cross multiply
3,817.37x = 5,265.28 × 3,248.75 - Step 4: Simplify right side
3,817.37x = 17,105,578.40 - Step 5: Solve for x
x = 17,105,578.40/3,817.37 - Step 6: Final answer
x = 4,480.99
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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.