Home / 2,213.43-3,045.40-2,158.75

Finding the Fourth Proportional to 2,213.43, 3,045.40 and 2,158.75

Calculator

Solution

The fourth proportional to 2,213.43, 3,045.40 and 2,158.75 is: 2,970.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213.43 : 3,045.40 = 2,158.75 : x
  2. Step 2: Convert to fraction form
    2,213.43/3,045.40 = 2,158.75/x
  3. Step 3: Cross multiply
    2,213.43x = 3,045.40 × 2,158.75
  4. Step 4: Simplify right side
    2,213.43x = 6,574,255.66
  5. Step 5: Solve for x
    x = 6,574,255.66/2,213.43
  6. Step 6: Final answer
    x = 2,970.17

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.