Home / 1,100.76-1,519.46-751.64

Finding the Fourth Proportional to 1,100.76, 1,519.46 and 751.64

Calculator

Solution

The fourth proportional to 1,100.76, 1,519.46 and 751.64 is: 1,037.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100.76 : 1,519.46 = 751.64 : x
  2. Step 2: Convert to fraction form
    1,100.76/1,519.46 = 751.64/x
  3. Step 3: Cross multiply
    1,100.76x = 1,519.46 × 751.64
  4. Step 4: Simplify right side
    1,100.76x = 1,142,086.91
  5. Step 5: Solve for x
    x = 1,142,086.91/1,100.76
  6. Step 6: Final answer
    x = 1,037.54

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.