Home / 1,789.34-2,469.45-1,043.54

Finding the Fourth Proportional to 1,789.34, 2,469.45 and 1,043.54

Calculator

Solution

The fourth proportional to 1,789.34, 2,469.45 and 1,043.54 is: 1,440.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789.34 : 2,469.45 = 1,043.54 : x
  2. Step 2: Convert to fraction form
    1,789.34/2,469.45 = 1,043.54/x
  3. Step 3: Cross multiply
    1,789.34x = 2,469.45 × 1,043.54
  4. Step 4: Simplify right side
    1,789.34x = 2,576,969.85
  5. Step 5: Solve for x
    x = 2,576,969.85/1,789.34
  6. Step 6: Final answer
    x = 1,440.18

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.