Finding the Fourth Proportional to 1,061.76, 1,592.64 and 984
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Solution
The fourth proportional to 1,061.76, 1,592.64 and 984 is: 1,476
Step by Step Solution
- Step 1: Write the proportion equation
1,061.76 : 1,592.64 = 984 : x - Step 2: Convert to fraction form
1,061.76/1,592.64 = 984/x - Step 3: Cross multiply
1,061.76x = 1,592.64 × 984 - Step 4: Simplify right side
1,061.76x = 1,567,157.76 - Step 5: Solve for x
x = 1,567,157.76/1,061.76 - Step 6: Final answer
x = 1,476
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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.