Home / 1,248-1,872-336

Finding the Fourth Proportional to 1,248, 1,872 and 336

Calculator

Solution

The fourth proportional to 1,248, 1,872 and 336 is: 504

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248 : 1,872 = 336 : x
  2. Step 2: Convert to fraction form
    1,248/1,872 = 336/x
  3. Step 3: Cross multiply
    1,248x = 1,872 × 336
  4. Step 4: Simplify right side
    1,248x = 628,992
  5. Step 5: Solve for x
    x = 628,992/1,248
  6. Step 6: Final answer
    x = 504

Related Problems

Find fourth proportional to 624, 936 and 168
Half scale
Find fourth proportional to 2,496, 3,744 and 672
Double scale
Find fourth proportional to 1,249, 1,873.50 and 337
Similar ratio
Find fourth proportional to 1,872, 2,808 and 504
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.