Finding the Fourth Proportional to 2,563.24, 3,844.86 and 1,979.09
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Solution
The fourth proportional to 2,563.24, 3,844.86 and 1,979.09 is: 2,968.64
Step by Step Solution
- Step 1: Write the proportion equation
2,563.24 : 3,844.86 = 1,979.09 : x - Step 2: Convert to fraction form
2,563.24/3,844.86 = 1,979.09/x - Step 3: Cross multiply
2,563.24x = 3,844.86 × 1,979.09 - Step 4: Simplify right side
2,563.24x = 7,609,333.59 - Step 5: Solve for x
x = 7,609,333.59/2,563.24 - Step 6: Final answer
x = 2,968.64
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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.