Home / 3,916-5,874-1,180

Finding the Fourth Proportional to 3,916, 5,874 and 1,180

Calculator

Solution

The fourth proportional to 3,916, 5,874 and 1,180 is: 1,770

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916 : 5,874 = 1,180 : x
  2. Step 2: Convert to fraction form
    3,916/5,874 = 1,180/x
  3. Step 3: Cross multiply
    3,916x = 5,874 × 1,180
  4. Step 4: Simplify right side
    3,916x = 6,931,320
  5. Step 5: Solve for x
    x = 6,931,320/3,916
  6. Step 6: Final answer
    x = 1,770

Related Problems

Find fourth proportional to 1,958, 2,937 and 590
Half scale
Find fourth proportional to 7,832, 11,748 and 2,360
Double scale
Find fourth proportional to 3,917, 5,875.50 and 1,181
Similar ratio
Find fourth proportional to 5,874, 8,811 and 1,770
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.