Finding the Fourth Proportional to 2,392.12, 3,588.66 and 853.08
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Solution
The fourth proportional to 2,392.12, 3,588.66 and 853.08 is: 1,279.79
Step by Step Solution
- Step 1: Write the proportion equation
2,392.12 : 3,588.66 = 853.08 : x - Step 2: Convert to fraction form
2,392.12/3,588.66 = 853.08/x - Step 3: Cross multiply
2,392.12x = 3,588.66 × 853.08 - Step 4: Simplify right side
2,392.12x = 3,061,414.07 - Step 5: Solve for x
x = 3,061,414.07/2,392.12 - Step 6: Final answer
x = 1,279.79
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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.