Finding the Fourth Proportional to 1,724.01, 2,586 and 627.99
Calculator
Solution
The fourth proportional to 1,724.01, 2,586 and 627.99 is: 941.98
Step by Step Solution
- Step 1: Write the proportion equation
1,724.01 : 2,586 = 627.99 : x - Step 2: Convert to fraction form
1,724.01/2,586 = 627.99/x - Step 3: Cross multiply
1,724.01x = 2,586 × 627.99 - Step 4: Simplify right side
1,724.01x = 1,623,982.14 - Step 5: Solve for x
x = 1,623,982.14/1,724.01 - Step 6: Final answer
x = 941.98
Related Problems
Find fourth proportional to 862.01, 1,293 and 314.00
Half scale
Find fourth proportional to 3,448.02, 5,172 and 1,255.98
Double scale
Find fourth proportional to 1,725.01, 2,587.50 and 628.99
Similar ratio
Find fourth proportional to 2,586.02, 3,879 and 941.99
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.