Finding the Fourth Proportional to 1,441.24, 2,160.02 and 618.52
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Solution
The fourth proportional to 1,441.24, 2,160.02 and 618.52 is: 926.99
Step by Step Solution
- Step 1: Write the proportion equation
1,441.24 : 2,160.02 = 618.52 : x - Step 2: Convert to fraction form
1,441.24/2,160.02 = 618.52/x - Step 3: Cross multiply
1,441.24x = 2,160.02 × 618.52 - Step 4: Simplify right side
1,441.24x = 1,336,015.57 - Step 5: Solve for x
x = 1,336,015.57/1,441.24 - Step 6: Final answer
x = 926.99
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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.