Finding the Fourth Proportional to 2,163.62, 3,246.36 and 847.77
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Solution
The fourth proportional to 2,163.62, 3,246.36 and 847.77 is: 1,272.02
Step by Step Solution
- Step 1: Write the proportion equation
2,163.62 : 3,246.36 = 847.77 : x - Step 2: Convert to fraction form
2,163.62/3,246.36 = 847.77/x - Step 3: Cross multiply
2,163.62x = 3,246.36 × 847.77 - Step 4: Simplify right side
2,163.62x = 2,752,166.62 - Step 5: Solve for x
x = 2,752,166.62/2,163.62 - Step 6: Final answer
x = 1,272.02
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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.