Home / 1,692.25-2,541.42-1,384.69

Finding the Fourth Proportional to 1,692.25, 2,541.42 and 1,384.69

Calculator

Solution

The fourth proportional to 1,692.25, 2,541.42 and 1,384.69 is: 2,079.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692.25 : 2,541.42 = 1,384.69 : x
  2. Step 2: Convert to fraction form
    1,692.25/2,541.42 = 1,384.69/x
  3. Step 3: Cross multiply
    1,692.25x = 2,541.42 × 1,384.69
  4. Step 4: Simplify right side
    1,692.25x = 3,519,078.86
  5. Step 5: Solve for x
    x = 3,519,078.86/1,692.25
  6. Step 6: Final answer
    x = 2,079.53

Related Problems

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.