Finding the Fourth Proportional to 1,732.42, 2,599.39 and 636.53
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Solution
The fourth proportional to 1,732.42, 2,599.39 and 636.53 is: 955.07
Step by Step Solution
- Step 1: Write the proportion equation
1,732.42 : 2,599.39 = 636.53 : x - Step 2: Convert to fraction form
1,732.42/2,599.39 = 636.53/x - Step 3: Cross multiply
1,732.42x = 2,599.39 × 636.53 - Step 4: Simplify right side
1,732.42x = 1,654,577.52 - Step 5: Solve for x
x = 1,654,577.52/1,732.42 - Step 6: Final answer
x = 955.07
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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.