Home / 1,866.63-2,799.32-755.76

Finding the Fourth Proportional to 1,866.63, 2,799.32 and 755.76

Calculator

Solution

The fourth proportional to 1,866.63, 2,799.32 and 755.76 is: 1,133.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,866.63 : 2,799.32 = 755.76 : x
  2. Step 2: Convert to fraction form
    1,866.63/2,799.32 = 755.76/x
  3. Step 3: Cross multiply
    1,866.63x = 2,799.32 × 755.76
  4. Step 4: Simplify right side
    1,866.63x = 2,115,614.08
  5. Step 5: Solve for x
    x = 2,115,614.08/1,866.63
  6. Step 6: Final answer
    x = 1,133.39

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.