Home / 2,588-3,882-764

Finding the Fourth Proportional to 2,588, 3,882 and 764

Calculator

Solution

The fourth proportional to 2,588, 3,882 and 764 is: 1,146

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,588 : 3,882 = 764 : x
  2. Step 2: Convert to fraction form
    2,588/3,882 = 764/x
  3. Step 3: Cross multiply
    2,588x = 3,882 × 764
  4. Step 4: Simplify right side
    2,588x = 2,965,848
  5. Step 5: Solve for x
    x = 2,965,848/2,588
  6. Step 6: Final answer
    x = 1,146

Related Problems

Find fourth proportional to 1,294, 1,941 and 382
Half scale
Find fourth proportional to 5,176, 7,764 and 1,528
Double scale
Find fourth proportional to 2,589, 3,883.50 and 765
Similar ratio
Find fourth proportional to 3,882, 5,823 and 1,146
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.