Home / 1,351.90-2,027.85-486.01

Finding the Fourth Proportional to 1,351.90, 2,027.85 and 486.01

Calculator

Solution

The fourth proportional to 1,351.90, 2,027.85 and 486.01 is: 729.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351.90 : 2,027.85 = 486.01 : x
  2. Step 2: Convert to fraction form
    1,351.90/2,027.85 = 486.01/x
  3. Step 3: Cross multiply
    1,351.90x = 2,027.85 × 486.01
  4. Step 4: Simplify right side
    1,351.90x = 985,555.38
  5. Step 5: Solve for x
    x = 985,555.38/1,351.90
  6. Step 6: Final answer
    x = 729.02

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.