Home / 3,901.50-5,384.07-2,133.12

Finding the Fourth Proportional to 3,901.50, 5,384.07 and 2,133.12

Calculator

Solution

The fourth proportional to 3,901.50, 5,384.07 and 2,133.12 is: 2,943.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901.50 : 5,384.07 = 2,133.12 : x
  2. Step 2: Convert to fraction form
    3,901.50/5,384.07 = 2,133.12/x
  3. Step 3: Cross multiply
    3,901.50x = 5,384.07 × 2,133.12
  4. Step 4: Simplify right side
    3,901.50x = 11,484,857.30
  5. Step 5: Solve for x
    x = 11,484,857.30/3,901.50
  6. Step 6: Final answer
    x = 2,943.70

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.