Finding the Fourth Proportional to 2,830.24, 4,245.36 and 881.92
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Solution
The fourth proportional to 2,830.24, 4,245.36 and 881.92 is: 1,322.88
Step by Step Solution
- Step 1: Write the proportion equation
2,830.24 : 4,245.36 = 881.92 : x - Step 2: Convert to fraction form
2,830.24/4,245.36 = 881.92/x - Step 3: Cross multiply
2,830.24x = 4,245.36 × 881.92 - Step 4: Simplify right side
2,830.24x = 3,744,067.89 - Step 5: Solve for x
x = 3,744,067.89/2,830.24 - Step 6: Final answer
x = 1,322.88
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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.