Finding the Fourth Proportional to 3,666, 5,499 and 1,614
Calculator
Solution
The fourth proportional to 3,666, 5,499 and 1,614 is: 2,421
Step by Step Solution
- Step 1: Write the proportion equation
3,666 : 5,499 = 1,614 : x - Step 2: Convert to fraction form
3,666/5,499 = 1,614/x - Step 3: Cross multiply
3,666x = 5,499 × 1,614 - Step 4: Simplify right side
3,666x = 8,875,386 - Step 5: Solve for x
x = 8,875,386/3,666 - Step 6: Final answer
x = 2,421
Related Problems
Find fourth proportional to 1,833, 2,749.50 and 807
Half scale
Find fourth proportional to 7,332, 10,998 and 3,228
Double scale
Find fourth proportional to 3,667, 5,500.50 and 1,615
Similar ratio
Find fourth proportional to 5,499, 8,248.50 and 2,421
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.