Finding the Fourth Proportional to 1,493.24, 2,060.66 and 830.09
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Solution
The fourth proportional to 1,493.24, 2,060.66 and 830.09 is: 1,145.52
Step by Step Solution
- Step 1: Write the proportion equation
1,493.24 : 2,060.66 = 830.09 : x - Step 2: Convert to fraction form
1,493.24/2,060.66 = 830.09/x - Step 3: Cross multiply
1,493.24x = 2,060.66 × 830.09 - Step 4: Simplify right side
1,493.24x = 1,710,540.49 - Step 5: Solve for x
x = 1,710,540.49/1,493.24 - Step 6: Final answer
x = 1,145.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.