Home / 1,142.98-1,576.50-1,104.88

Finding the Fourth Proportional to 1,142.98, 1,576.50 and 1,104.88

Calculator

Solution

The fourth proportional to 1,142.98, 1,576.50 and 1,104.88 is: 1,523.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142.98 : 1,576.50 = 1,104.88 : x
  2. Step 2: Convert to fraction form
    1,142.98/1,576.50 = 1,104.88/x
  3. Step 3: Cross multiply
    1,142.98x = 1,576.50 × 1,104.88
  4. Step 4: Simplify right side
    1,142.98x = 1,741,843.32
  5. Step 5: Solve for x
    x = 1,741,843.32/1,142.98
  6. Step 6: Final answer
    x = 1,523.95

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.