Finding the Fourth Proportional to 2,597.11, 3,895.49 and 842.09
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Solution
The fourth proportional to 2,597.11, 3,895.49 and 842.09 is: 1,263.07
Step by Step Solution
- Step 1: Write the proportion equation
2,597.11 : 3,895.49 = 842.09 : x - Step 2: Convert to fraction form
2,597.11/3,895.49 = 842.09/x - Step 3: Cross multiply
2,597.11x = 3,895.49 × 842.09 - Step 4: Simplify right side
2,597.11x = 3,280,335.80 - Step 5: Solve for x
x = 3,280,335.80/2,597.11 - Step 6: Final answer
x = 1,263.07
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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.