Home / 1,876-2,814-508

Finding the Fourth Proportional to 1,876, 2,814 and 508

Calculator

Solution

The fourth proportional to 1,876, 2,814 and 508 is: 762

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876 : 2,814 = 508 : x
  2. Step 2: Convert to fraction form
    1,876/2,814 = 508/x
  3. Step 3: Cross multiply
    1,876x = 2,814 × 508
  4. Step 4: Simplify right side
    1,876x = 1,429,512
  5. Step 5: Solve for x
    x = 1,429,512/1,876
  6. Step 6: Final answer
    x = 762

Related Problems

Find fourth proportional to 938, 1,407 and 254
Half scale
Find fourth proportional to 3,752, 5,628 and 1,016
Double scale
Find fourth proportional to 1,877, 2,815.50 and 509
Similar ratio
Find fourth proportional to 2,814, 4,221 and 762
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.