Home / 1,541.53-2,127.31-842.91

Finding the Fourth Proportional to 1,541.53, 2,127.31 and 842.91

Calculator

Solution

The fourth proportional to 1,541.53, 2,127.31 and 842.91 is: 1,163.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,541.53 : 2,127.31 = 842.91 : x
  2. Step 2: Convert to fraction form
    1,541.53/2,127.31 = 842.91/x
  3. Step 3: Cross multiply
    1,541.53x = 2,127.31 × 842.91
  4. Step 4: Simplify right side
    1,541.53x = 1,793,125.53
  5. Step 5: Solve for x
    x = 1,793,125.53/1,541.53
  6. Step 6: Final answer
    x = 1,163.21

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.