Home / 1,864-2,880

Finding the Third Proportional to 1,864 and 2,880

Calculator

Solution

The third proportional to 1,864 and 2,880 is: 4,449.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,864 : 2,880 = 2,880 : x
  2. Step 2: Convert to fraction form
    1,864/2,880 = 2,880/x
  3. Step 3: Cross multiply
    1,864x = 2,880 × 2,880
  4. Step 4: Simplify right side
    1,864x = 8,294,400
  5. Step 5: Solve for x
    x = 8,294,400/1,864
  6. Step 6: Final answer
    x = 4,449.79

Related Problems

Find third proportional to 932 and 1,440
Half scale
Find third proportional to 3,728 and 5,760
Double scale
Find third proportional to 1,866 and 2,883
Similar ratio
Find third proportional to 2,796 and 4,320
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.