Home / 1,454.88-2,007.54-865.20

Finding the Fourth Proportional to 1,454.88, 2,007.54 and 865.20

Calculator

Solution

The fourth proportional to 1,454.88, 2,007.54 and 865.20 is: 1,193.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454.88 : 2,007.54 = 865.20 : x
  2. Step 2: Convert to fraction form
    1,454.88/2,007.54 = 865.20/x
  3. Step 3: Cross multiply
    1,454.88x = 2,007.54 × 865.20
  4. Step 4: Simplify right side
    1,454.88x = 1,736,923.61
  5. Step 5: Solve for x
    x = 1,736,923.61/1,454.88
  6. Step 6: Final answer
    x = 1,193.86

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.