Finding the Fourth Proportional to 2,629.07, 3,628.04 and 1,434.09
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Solution
The fourth proportional to 2,629.07, 3,628.04 and 1,434.09 is: 1,979.00
Step by Step Solution
- Step 1: Write the proportion equation
2,629.07 : 3,628.04 = 1,434.09 : x - Step 2: Convert to fraction form
2,629.07/3,628.04 = 1,434.09/x - Step 3: Cross multiply
2,629.07x = 3,628.04 × 1,434.09 - Step 4: Simplify right side
2,629.07x = 5,202,923.23 - Step 5: Solve for x
x = 5,202,923.23/2,629.07 - Step 6: Final answer
x = 1,979.00
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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.