Home / 1,396.64-2,094.96-484

Finding the Fourth Proportional to 1,396.64, 2,094.96 and 484

Calculator

Solution

The fourth proportional to 1,396.64, 2,094.96 and 484 is: 726

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396.64 : 2,094.96 = 484 : x
  2. Step 2: Convert to fraction form
    1,396.64/2,094.96 = 484/x
  3. Step 3: Cross multiply
    1,396.64x = 2,094.96 × 484
  4. Step 4: Simplify right side
    1,396.64x = 1,013,960.64
  5. Step 5: Solve for x
    x = 1,013,960.64/1,396.64
  6. Step 6: Final answer
    x = 726

Related Problems

Find fourth proportional to 698.32, 1,047.48 and 242
Half scale
Find fourth proportional to 2,793.28, 4,189.92 and 968
Double scale
Find fourth proportional to 1,397.64, 2,096.46 and 485
Similar ratio
Find fourth proportional to 2,094.96, 3,142.44 and 726
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.