Finding the Fourth Proportional to 1,364.50, 1,883.01 and 743.50
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Solution
The fourth proportional to 1,364.50, 1,883.01 and 743.50 is: 1,026.03
Step by Step Solution
- Step 1: Write the proportion equation
1,364.50 : 1,883.01 = 743.50 : x - Step 2: Convert to fraction form
1,364.50/1,883.01 = 743.50/x - Step 3: Cross multiply
1,364.50x = 1,883.01 × 743.50 - Step 4: Simplify right side
1,364.50x = 1,400,017.94 - Step 5: Solve for x
x = 1,400,017.94/1,364.50 - Step 6: Final answer
x = 1,026.03
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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.