Home / 2,124.88-3,184.82-1,247.81

Finding the Fourth Proportional to 2,124.88, 3,184.82 and 1,247.81

Calculator

Solution

The fourth proportional to 2,124.88, 3,184.82 and 1,247.81 is: 1,870.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124.88 : 3,184.82 = 1,247.81 : x
  2. Step 2: Convert to fraction form
    2,124.88/3,184.82 = 1,247.81/x
  3. Step 3: Cross multiply
    2,124.88x = 3,184.82 × 1,247.81
  4. Step 4: Simplify right side
    2,124.88x = 3,974,032.76
  5. Step 5: Solve for x
    x = 3,974,032.76/2,124.88
  6. Step 6: Final answer
    x = 1,870.24

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.