Home / 1,974-3,135

Finding the Third Proportional to 1,974 and 3,135

Calculator

Solution

The third proportional to 1,974 and 3,135 is: 4,978.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974 : 3,135 = 3,135 : x
  2. Step 2: Convert to fraction form
    1,974/3,135 = 3,135/x
  3. Step 3: Cross multiply
    1,974x = 3,135 × 3,135
  4. Step 4: Simplify right side
    1,974x = 9,828,225
  5. Step 5: Solve for x
    x = 9,828,225/1,974
  6. Step 6: Final answer
    x = 4,978.84

Related Problems

Find third proportional to 987 and 1,567.50
Half scale
Find third proportional to 3,948 and 6,270
Double scale
Find third proportional to 1,976 and 3,138
Similar ratio
Find third proportional to 2,961 and 4,702.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.