Home / 2,978-4,110-1,736

Finding the Fourth Proportional to 2,978, 4,110 and 1,736

Calculator

Solution

The fourth proportional to 2,978, 4,110 and 1,736 is: 2,395.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,978 : 4,110 = 1,736 : x
  2. Step 2: Convert to fraction form
    2,978/4,110 = 1,736/x
  3. Step 3: Cross multiply
    2,978x = 4,110 × 1,736
  4. Step 4: Simplify right side
    2,978x = 7,134,960
  5. Step 5: Solve for x
    x = 7,134,960/2,978
  6. Step 6: Final answer
    x = 2,395.89

Related Problems

Find fourth proportional to 1,489, 2,055 and 868
Half scale
Find fourth proportional to 5,956, 8,220 and 3,472
Double scale
Find fourth proportional to 2,979, 4,111.38 and 1,737
Similar ratio
Find fourth proportional to 4,467, 6,165 and 2,604
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.