Finding the Fourth Proportional to 2,179.74, 3,269.55 and 536.31
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Solution
The fourth proportional to 2,179.74, 3,269.55 and 536.31 is: 804.45
Step by Step Solution
- Step 1: Write the proportion equation
2,179.74 : 3,269.55 = 536.31 : x - Step 2: Convert to fraction form
2,179.74/3,269.55 = 536.31/x - Step 3: Cross multiply
2,179.74x = 3,269.55 × 536.31 - Step 4: Simplify right side
2,179.74x = 1,753,492.36 - Step 5: Solve for x
x = 1,753,492.36/2,179.74 - Step 6: Final answer
x = 804.45
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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.