Finding the Fourth Proportional to 2,523, 3,784.50 and 984
Calculator
Solution
The fourth proportional to 2,523, 3,784.50 and 984 is: 1,476
Step by Step Solution
- Step 1: Write the proportion equation
2,523 : 3,784.50 = 984 : x - Step 2: Convert to fraction form
2,523/3,784.50 = 984/x - Step 3: Cross multiply
2,523x = 3,784.50 × 984 - Step 4: Simplify right side
2,523x = 3,723,948 - Step 5: Solve for x
x = 3,723,948/2,523 - Step 6: Final answer
x = 1,476
Related Problems
Find fourth proportional to 1,261.50, 1,892.25 and 492
Half scale
Find fourth proportional to 5,046, 7,569 and 1,968
Double scale
Find fourth proportional to 2,524, 3,786 and 985
Similar ratio
Find fourth proportional to 3,784.50, 5,676.75 and 1,476
1.5x scale
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.