Finding the Fourth Proportional to 2,770.87, 3,823.86 and 1,511.95
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Solution
The fourth proportional to 2,770.87, 3,823.86 and 1,511.95 is: 2,086.52
Step by Step Solution
- Step 1: Write the proportion equation
2,770.87 : 3,823.86 = 1,511.95 : x - Step 2: Convert to fraction form
2,770.87/3,823.86 = 1,511.95/x - Step 3: Cross multiply
2,770.87x = 3,823.86 × 1,511.95 - Step 4: Simplify right side
2,770.87x = 5,781,485.13 - Step 5: Solve for x
x = 5,781,485.13/2,770.87 - Step 6: Final answer
x = 2,086.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.