Home / 1,619.84-2,426-795.56

Finding the Fourth Proportional to 1,619.84, 2,426 and 795.56

Calculator

Solution

The fourth proportional to 1,619.84, 2,426 and 795.56 is: 1,191.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619.84 : 2,426 = 795.56 : x
  2. Step 2: Convert to fraction form
    1,619.84/2,426 = 795.56/x
  3. Step 3: Cross multiply
    1,619.84x = 2,426 × 795.56
  4. Step 4: Simplify right side
    1,619.84x = 1,930,028.56
  5. Step 5: Solve for x
    x = 1,930,028.56/1,619.84
  6. Step 6: Final answer
    x = 1,191.49

Related Problems

Find fourth proportional to 809.92, 1,213 and 397.78
Half scale
Find fourth proportional to 3,239.68, 4,852 and 1,591.12
Double scale
Find fourth proportional to 1,620.84, 2,427.50 and 796.56
Similar ratio
Find fourth proportional to 2,429.76, 3,639 and 1,193.34
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.