Home / 3,538-4,970

Finding the Third Proportional to 3,538 and 4,970

Calculator

Solution

The third proportional to 3,538 and 4,970 is: 6,981.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538 : 4,970 = 4,970 : x
  2. Step 2: Convert to fraction form
    3,538/4,970 = 4,970/x
  3. Step 3: Cross multiply
    3,538x = 4,970 × 4,970
  4. Step 4: Simplify right side
    3,538x = 24,700,900
  5. Step 5: Solve for x
    x = 24,700,900/3,538
  6. Step 6: Final answer
    x = 6,981.60

Related Problems

Find third proportional to 1,769 and 2,485
Half scale
Find third proportional to 7,076 and 9,940
Double scale
Find third proportional to 3,540 and 4,973
Similar ratio
Find third proportional to 5,307 and 7,455
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.