Finding the Fourth Proportional to 2,487.34, 3,730.56 and 926.99
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Solution
The fourth proportional to 2,487.34, 3,730.56 and 926.99 is: 1,390.32
Step by Step Solution
- Step 1: Write the proportion equation
2,487.34 : 3,730.56 = 926.99 : x - Step 2: Convert to fraction form
2,487.34/3,730.56 = 926.99/x - Step 3: Cross multiply
2,487.34x = 3,730.56 × 926.99 - Step 4: Simplify right side
2,487.34x = 3,458,191.81 - Step 5: Solve for x
x = 3,458,191.81/2,487.34 - Step 6: Final answer
x = 1,390.32
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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.