Home / 1,343.68-2,014-650.72

Finding the Fourth Proportional to 1,343.68, 2,014 and 650.72

Calculator

Solution

The fourth proportional to 1,343.68, 2,014 and 650.72 is: 975.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343.68 : 2,014 = 650.72 : x
  2. Step 2: Convert to fraction form
    1,343.68/2,014 = 650.72/x
  3. Step 3: Cross multiply
    1,343.68x = 2,014 × 650.72
  4. Step 4: Simplify right side
    1,343.68x = 1,310,550.08
  5. Step 5: Solve for x
    x = 1,310,550.08/1,343.68
  6. Step 6: Final answer
    x = 975.34

Related Problems

Find fourth proportional to 671.84, 1,007 and 325.36
Half scale
Find fourth proportional to 2,687.36, 4,028 and 1,301.44
Double scale
Find fourth proportional to 1,344.68, 2,015.50 and 651.72
Similar ratio
Find fourth proportional to 2,015.52, 3,021 and 976.08
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.