Finding the Fourth Proportional to 1,807.42, 2,708.96 and 651.82
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Solution
The fourth proportional to 1,807.42, 2,708.96 and 651.82 is: 976.95
Step by Step Solution
- Step 1: Write the proportion equation
1,807.42 : 2,708.96 = 651.82 : x - Step 2: Convert to fraction form
1,807.42/2,708.96 = 651.82/x - Step 3: Cross multiply
1,807.42x = 2,708.96 × 651.82 - Step 4: Simplify right side
1,807.42x = 1,765,754.31 - Step 5: Solve for x
x = 1,765,754.31/1,807.42 - Step 6: Final answer
x = 976.95
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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.