Home / 2,757.78-3,805.72-1,498.80

Finding the Fourth Proportional to 2,757.78, 3,805.72 and 1,498.80

Calculator

Solution

The fourth proportional to 2,757.78, 3,805.72 and 1,498.80 is: 2,068.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,757.78 : 3,805.72 = 1,498.80 : x
  2. Step 2: Convert to fraction form
    2,757.78/3,805.72 = 1,498.80/x
  3. Step 3: Cross multiply
    2,757.78x = 3,805.72 × 1,498.80
  4. Step 4: Simplify right side
    2,757.78x = 5,704,023.66
  5. Step 5: Solve for x
    x = 5,704,023.66/2,757.78
  6. Step 6: Final answer
    x = 2,068.34

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.