Home / 3,072-4,395

Finding the Third Proportional to 3,072 and 4,395

Calculator

Solution

The third proportional to 3,072 and 4,395 is: 6,287.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072 : 4,395 = 4,395 : x
  2. Step 2: Convert to fraction form
    3,072/4,395 = 4,395/x
  3. Step 3: Cross multiply
    3,072x = 4,395 × 4,395
  4. Step 4: Simplify right side
    3,072x = 19,316,025
  5. Step 5: Solve for x
    x = 19,316,025/3,072
  6. Step 6: Final answer
    x = 6,287.77

Related Problems

Find third proportional to 1,536 and 2,197.50
Half scale
Find third proportional to 6,144 and 8,790
Double scale
Find third proportional to 3,074 and 4,398
Similar ratio
Find third proportional to 4,608 and 6,592.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.