Finding the Fourth Proportional to 2,159.08, 3,238.52 and 620.08
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Solution
The fourth proportional to 2,159.08, 3,238.52 and 620.08 is: 930.09
Step by Step Solution
- Step 1: Write the proportion equation
2,159.08 : 3,238.52 = 620.08 : x - Step 2: Convert to fraction form
2,159.08/3,238.52 = 620.08/x - Step 3: Cross multiply
2,159.08x = 3,238.52 × 620.08 - Step 4: Simplify right side
2,159.08x = 2,008,141.48 - Step 5: Solve for x
x = 2,008,141.48/2,159.08 - Step 6: Final answer
x = 930.09
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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.