Home / 2,621.07-3,617.08-1,442.21

Finding the Fourth Proportional to 2,621.07, 3,617.08 and 1,442.21

Calculator

Solution

The fourth proportional to 2,621.07, 3,617.08 and 1,442.21 is: 1,990.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621.07 : 3,617.08 = 1,442.21 : x
  2. Step 2: Convert to fraction form
    2,621.07/3,617.08 = 1,442.21/x
  3. Step 3: Cross multiply
    2,621.07x = 3,617.08 × 1,442.21
  4. Step 4: Simplify right side
    2,621.07x = 5,216,594.38
  5. Step 5: Solve for x
    x = 5,216,594.38/2,621.07
  6. Step 6: Final answer
    x = 1,990.25

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.