Home / 1,262.48-1,893.80-396.80

Finding the Fourth Proportional to 1,262.48, 1,893.80 and 396.80

Calculator

Solution

The fourth proportional to 1,262.48, 1,893.80 and 396.80 is: 595.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262.48 : 1,893.80 = 396.80 : x
  2. Step 2: Convert to fraction form
    1,262.48/1,893.80 = 396.80/x
  3. Step 3: Cross multiply
    1,262.48x = 1,893.80 × 396.80
  4. Step 4: Simplify right side
    1,262.48x = 751,454.91
  5. Step 5: Solve for x
    x = 751,454.91/1,262.48
  6. Step 6: Final answer
    x = 595.22

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.