Home / 2,242.48-3,364-781.36

Finding the Fourth Proportional to 2,242.48, 3,364 and 781.36

Calculator

Solution

The fourth proportional to 2,242.48, 3,364 and 781.36 is: 1,172.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,242.48 : 3,364 = 781.36 : x
  2. Step 2: Convert to fraction form
    2,242.48/3,364 = 781.36/x
  3. Step 3: Cross multiply
    2,242.48x = 3,364 × 781.36
  4. Step 4: Simplify right side
    2,242.48x = 2,628,495.04
  5. Step 5: Solve for x
    x = 2,628,495.04/2,242.48
  6. Step 6: Final answer
    x = 1,172.14

Related Problems

Find fourth proportional to 1,121.24, 1,682 and 390.68
Half scale
Find fourth proportional to 4,484.96, 6,728 and 1,562.72
Double scale
Find fourth proportional to 2,243.48, 3,365.50 and 782.36
Similar ratio
Find fourth proportional to 3,363.72, 5,046 and 1,172.04
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.