Finding the Fourth Proportional to 1,558.96, 2,338.44 and 463.32
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Solution
The fourth proportional to 1,558.96, 2,338.44 and 463.32 is: 694.98
Step by Step Solution
- Step 1: Write the proportion equation
1,558.96 : 2,338.44 = 463.32 : x - Step 2: Convert to fraction form
1,558.96/2,338.44 = 463.32/x - Step 3: Cross multiply
1,558.96x = 2,338.44 × 463.32 - Step 4: Simplify right side
1,558.96x = 1,083,446.02 - Step 5: Solve for x
x = 1,083,446.02/1,558.96 - Step 6: Final answer
x = 694.98
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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.