Finding the Fourth Proportional to 2,521.06, 3,782.25 and 961.09
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Solution
The fourth proportional to 2,521.06, 3,782.25 and 961.09 is: 1,441.89
Step by Step Solution
- Step 1: Write the proportion equation
2,521.06 : 3,782.25 = 961.09 : x - Step 2: Convert to fraction form
2,521.06/3,782.25 = 961.09/x - Step 3: Cross multiply
2,521.06x = 3,782.25 × 961.09 - Step 4: Simplify right side
2,521.06x = 3,635,082.65 - Step 5: Solve for x
x = 3,635,082.65/2,521.06 - Step 6: Final answer
x = 1,441.89
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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.