Finding the Fourth Proportional to 2,764, 4,146 and 940
Calculator
Solution
The fourth proportional to 2,764, 4,146 and 940 is: 1,410
Step by Step Solution
- Step 1: Write the proportion equation
2,764 : 4,146 = 940 : x - Step 2: Convert to fraction form
2,764/4,146 = 940/x - Step 3: Cross multiply
2,764x = 4,146 × 940 - Step 4: Simplify right side
2,764x = 3,897,240 - Step 5: Solve for x
x = 3,897,240/2,764 - Step 6: Final answer
x = 1,410
Related Problems
Find fourth proportional to 1,382, 2,073 and 470
Half scale
Find fourth proportional to 5,528, 8,292 and 1,880
Double scale
Find fourth proportional to 2,765, 4,147.50 and 941
Similar ratio
Find fourth proportional to 4,146, 6,219 and 1,410
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.