Home / 3,551.25-4,901.31-2,154.81

Finding the Fourth Proportional to 3,551.25, 4,901.31 and 2,154.81

Calculator

Solution

The fourth proportional to 3,551.25, 4,901.31 and 2,154.81 is: 2,973.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.25 : 4,901.31 = 2,154.81 : x
  2. Step 2: Convert to fraction form
    3,551.25/4,901.31 = 2,154.81/x
  3. Step 3: Cross multiply
    3,551.25x = 4,901.31 × 2,154.81
  4. Step 4: Simplify right side
    3,551.25x = 10,561,391.80
  5. Step 5: Solve for x
    x = 10,561,391.80/3,551.25
  6. Step 6: Final answer
    x = 2,973.99

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.