Finding the Fourth Proportional to 1,528.76, 2,293.14 and 374.50
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Solution
The fourth proportional to 1,528.76, 2,293.14 and 374.50 is: 561.75
Step by Step Solution
- Step 1: Write the proportion equation
1,528.76 : 2,293.14 = 374.50 : x - Step 2: Convert to fraction form
1,528.76/2,293.14 = 374.50/x - Step 3: Cross multiply
1,528.76x = 2,293.14 × 374.50 - Step 4: Simplify right side
1,528.76x = 858,780.93 - Step 5: Solve for x
x = 858,780.93/1,528.76 - Step 6: Final answer
x = 561.75
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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.