Home / 2,786-4,179-734

Finding the Fourth Proportional to 2,786, 4,179 and 734

Calculator

Solution

The fourth proportional to 2,786, 4,179 and 734 is: 1,101

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786 : 4,179 = 734 : x
  2. Step 2: Convert to fraction form
    2,786/4,179 = 734/x
  3. Step 3: Cross multiply
    2,786x = 4,179 × 734
  4. Step 4: Simplify right side
    2,786x = 3,067,386
  5. Step 5: Solve for x
    x = 3,067,386/2,786
  6. Step 6: Final answer
    x = 1,101

Related Problems

Find fourth proportional to 1,393, 2,089.50 and 367
Half scale
Find fourth proportional to 5,572, 8,358 and 1,468
Double scale
Find fourth proportional to 2,787, 4,180.50 and 735
Similar ratio
Find fourth proportional to 4,179, 6,268.50 and 1,101
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.