Finding the Fourth Proportional to 1,994.84, 2,992.20 and 534
Calculator
Solution
The fourth proportional to 1,994.84, 2,992.20 and 534 is: 800.99
Step by Step Solution
- Step 1: Write the proportion equation
1,994.84 : 2,992.20 = 534 : x - Step 2: Convert to fraction form
1,994.84/2,992.20 = 534/x - Step 3: Cross multiply
1,994.84x = 2,992.20 × 534 - Step 4: Simplify right side
1,994.84x = 1,597,834.80 - Step 5: Solve for x
x = 1,597,834.80/1,994.84 - Step 6: Final answer
x = 800.99
Related Problems
Find fourth proportional to 997.42, 1,496.10 and 267
Half scale
Find fourth proportional to 3,989.67, 5,984.40 and 1,068
Double scale
Find fourth proportional to 1,995.84, 2,993.70 and 535
Similar ratio
Find fourth proportional to 2,992.25, 4,488.30 and 801
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.