Home / 2,022.40-2,784-2,022.40

Finding the Fourth Proportional to 2,022.40, 2,784 and 2,022.40

Calculator

Solution

The fourth proportional to 2,022.40, 2,784 and 2,022.40 is: 2,784

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,022.40 : 2,784 = 2,022.40 : x
  2. Step 2: Convert to fraction form
    2,022.40/2,784 = 2,022.40/x
  3. Step 3: Cross multiply
    2,022.40x = 2,784 × 2,022.40
  4. Step 4: Simplify right side
    2,022.40x = 5,630,361.60
  5. Step 5: Solve for x
    x = 5,630,361.60/2,022.40
  6. Step 6: Final answer
    x = 2,784

Related Problems

Find fourth proportional to 1,011.20, 1,392 and 1,011.20
Half scale
Find fourth proportional to 4,044.80, 5,568 and 4,044.80
Double scale
Find fourth proportional to 2,023.40, 2,785.38 and 2,023.40
Similar ratio
Find fourth proportional to 3,033.60, 4,176 and 3,033.60
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.