Finding the Fourth Proportional to 3,072.74, 4,609.71 and 882.09
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Solution
The fourth proportional to 3,072.74, 4,609.71 and 882.09 is: 1,323.31
Step by Step Solution
- Step 1: Write the proportion equation
3,072.74 : 4,609.71 = 882.09 : x - Step 2: Convert to fraction form
3,072.74/4,609.71 = 882.09/x - Step 3: Cross multiply
3,072.74x = 4,609.71 × 882.09 - Step 4: Simplify right side
3,072.74x = 4,066,179.09 - Step 5: Solve for x
x = 4,066,179.09/3,072.74 - Step 6: Final answer
x = 1,323.31
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1.5x scale
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.