Finding the Fourth Proportional to 2,805.41, 4,205.49 and 955.23
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Solution
The fourth proportional to 2,805.41, 4,205.49 and 955.23 is: 1,431.95
Step by Step Solution
- Step 1: Write the proportion equation
2,805.41 : 4,205.49 = 955.23 : x - Step 2: Convert to fraction form
2,805.41/4,205.49 = 955.23/x - Step 3: Cross multiply
2,805.41x = 4,205.49 × 955.23 - Step 4: Simplify right side
2,805.41x = 4,017,210.21 - Step 5: Solve for x
x = 4,017,210.21/2,805.41 - Step 6: Final answer
x = 1,431.95
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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.