Home / 1,792.74-2,689.56-697.42

Finding the Fourth Proportional to 1,792.74, 2,689.56 and 697.42

Calculator

Solution

The fourth proportional to 1,792.74, 2,689.56 and 697.42 is: 1,046.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,792.74 : 2,689.56 = 697.42 : x
  2. Step 2: Convert to fraction form
    1,792.74/2,689.56 = 697.42/x
  3. Step 3: Cross multiply
    1,792.74x = 2,689.56 × 697.42
  4. Step 4: Simplify right side
    1,792.74x = 1,875,752.94
  5. Step 5: Solve for x
    x = 1,875,752.94/1,792.74
  6. Step 6: Final answer
    x = 1,046.31

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.