Home / 3,218.78-4,828.90-1,027.64

Finding the Fourth Proportional to 3,218.78, 4,828.90 and 1,027.64

Calculator

Solution

The fourth proportional to 3,218.78, 4,828.90 and 1,027.64 is: 1,541.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.78 : 4,828.90 = 1,027.64 : x
  2. Step 2: Convert to fraction form
    3,218.78/4,828.90 = 1,027.64/x
  3. Step 3: Cross multiply
    3,218.78x = 4,828.90 × 1,027.64
  4. Step 4: Simplify right side
    3,218.78x = 4,962,370.80
  5. Step 5: Solve for x
    x = 4,962,370.80/3,218.78
  6. Step 6: Final answer
    x = 1,541.69

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.