Finding the Fourth Proportional to 2,007.91, 3,012 and 547.08
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Solution
The fourth proportional to 2,007.91, 3,012 and 547.08 is: 820.66
Step by Step Solution
- Step 1: Write the proportion equation
2,007.91 : 3,012 = 547.08 : x - Step 2: Convert to fraction form
2,007.91/3,012 = 547.08/x - Step 3: Cross multiply
2,007.91x = 3,012 × 547.08 - Step 4: Simplify right side
2,007.91x = 1,647,804.96 - Step 5: Solve for x
x = 1,647,804.96/2,007.91 - Step 6: Final answer
x = 820.66
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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.