Finding the Fourth Proportional to 1,426.08, 1,968 and 796.62
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Solution
The fourth proportional to 1,426.08, 1,968 and 796.62 is: 1,099.34
Step by Step Solution
- Step 1: Write the proportion equation
1,426.08 : 1,968 = 796.62 : x - Step 2: Convert to fraction form
1,426.08/1,968 = 796.62/x - Step 3: Cross multiply
1,426.08x = 1,968 × 796.62 - Step 4: Simplify right side
1,426.08x = 1,567,748.16 - Step 5: Solve for x
x = 1,567,748.16/1,426.08 - Step 6: Final answer
x = 1,099.34
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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.