Home / 2,931.75-4,395.15-2,005.04

Finding the Fourth Proportional to 2,931.75, 4,395.15 and 2,005.04

Calculator

Solution

The fourth proportional to 2,931.75, 4,395.15 and 2,005.04 is: 3,005.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931.75 : 4,395.15 = 2,005.04 : x
  2. Step 2: Convert to fraction form
    2,931.75/4,395.15 = 2,005.04/x
  3. Step 3: Cross multiply
    2,931.75x = 4,395.15 × 2,005.04
  4. Step 4: Simplify right side
    2,931.75x = 8,812,429.58
  5. Step 5: Solve for x
    x = 8,812,429.58/2,931.75
  6. Step 6: Final answer
    x = 3,005.86

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.