Finding the Fourth Proportional to 2,073.42, 3,110.56 and 612.44
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Solution
The fourth proportional to 2,073.42, 3,110.56 and 612.44 is: 918.79
Step by Step Solution
- Step 1: Write the proportion equation
2,073.42 : 3,110.56 = 612.44 : x - Step 2: Convert to fraction form
2,073.42/3,110.56 = 612.44/x - Step 3: Cross multiply
2,073.42x = 3,110.56 × 612.44 - Step 4: Simplify right side
2,073.42x = 1,905,031.37 - Step 5: Solve for x
x = 1,905,031.37/2,073.42 - Step 6: Final answer
x = 918.79
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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.