Home / 1,361.89-2,041.60-496

Finding the Fourth Proportional to 1,361.89, 2,041.60 and 496

Calculator

Solution

The fourth proportional to 1,361.89, 2,041.60 and 496 is: 743.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361.89 : 2,041.60 = 496 : x
  2. Step 2: Convert to fraction form
    1,361.89/2,041.60 = 496/x
  3. Step 3: Cross multiply
    1,361.89x = 2,041.60 × 496
  4. Step 4: Simplify right side
    1,361.89x = 1,012,633.60
  5. Step 5: Solve for x
    x = 1,012,633.60/1,361.89
  6. Step 6: Final answer
    x = 743.55

Related Problems

Find fourth proportional to 680.95, 1,020.80 and 248
Half scale
Find fourth proportional to 2,723.78, 4,083.20 and 992
Double scale
Find fourth proportional to 1,362.89, 2,043.10 and 497
Similar ratio
Find fourth proportional to 2,042.84, 3,062.40 and 744
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.