Finding the Fourth Proportional to 2,623.05, 3,934.58 and 1,162.21
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Solution
The fourth proportional to 2,623.05, 3,934.58 and 1,162.21 is: 1,743.32
Step by Step Solution
- Step 1: Write the proportion equation
2,623.05 : 3,934.58 = 1,162.21 : x - Step 2: Convert to fraction form
2,623.05/3,934.58 = 1,162.21/x - Step 3: Cross multiply
2,623.05x = 3,934.58 × 1,162.21 - Step 4: Simplify right side
2,623.05x = 4,572,808.22 - Step 5: Solve for x
x = 4,572,808.22/2,623.05 - Step 6: Final answer
x = 1,743.32
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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.