Home / 1,429.90-1,973.29-800.41

Finding the Fourth Proportional to 1,429.90, 1,973.29 and 800.41

Calculator

Solution

The fourth proportional to 1,429.90, 1,973.29 and 800.41 is: 1,104.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429.90 : 1,973.29 = 800.41 : x
  2. Step 2: Convert to fraction form
    1,429.90/1,973.29 = 800.41/x
  3. Step 3: Cross multiply
    1,429.90x = 1,973.29 × 800.41
  4. Step 4: Simplify right side
    1,429.90x = 1,579,435.62
  5. Step 5: Solve for x
    x = 1,579,435.62/1,429.90
  6. Step 6: Final answer
    x = 1,104.58

Related Problems

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.