Finding the Fourth Proportional to 2,347.81, 3,240.61 and 1,463.09
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Solution
The fourth proportional to 2,347.81, 3,240.61 and 1,463.09 is: 2,019.45
Step by Step Solution
- Step 1: Write the proportion equation
2,347.81 : 3,240.61 = 1,463.09 : x - Step 2: Convert to fraction form
2,347.81/3,240.61 = 1,463.09/x - Step 3: Cross multiply
2,347.81x = 3,240.61 × 1,463.09 - Step 4: Simplify right side
2,347.81x = 4,741,284.22 - Step 5: Solve for x
x = 4,741,284.22/2,347.81 - Step 6: Final answer
x = 2,019.45
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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.