Home / 1,939.63-2,676.75-1,100.34

Finding the Fourth Proportional to 1,939.63, 2,676.75 and 1,100.34

Calculator

Solution

The fourth proportional to 1,939.63, 2,676.75 and 1,100.34 is: 1,518.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939.63 : 2,676.75 = 1,100.34 : x
  2. Step 2: Convert to fraction form
    1,939.63/2,676.75 = 1,100.34/x
  3. Step 3: Cross multiply
    1,939.63x = 2,676.75 × 1,100.34
  4. Step 4: Simplify right side
    1,939.63x = 2,945,335.10
  5. Step 5: Solve for x
    x = 2,945,335.10/1,939.63
  6. Step 6: Final answer
    x = 1,518.50

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.