Finding the Fourth Proportional to 1,440.93, 2,160 and 466.41
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Solution
The fourth proportional to 1,440.93, 2,160 and 466.41 is: 699.16
Step by Step Solution
- Step 1: Write the proportion equation
1,440.93 : 2,160 = 466.41 : x - Step 2: Convert to fraction form
1,440.93/2,160 = 466.41/x - Step 3: Cross multiply
1,440.93x = 2,160 × 466.41 - Step 4: Simplify right side
1,440.93x = 1,007,445.60 - Step 5: Solve for x
x = 1,007,445.60/1,440.93 - Step 6: Final answer
x = 699.16
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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.