Home / 2,851.04-4,272.54-2,556.68

Finding the Fourth Proportional to 2,851.04, 4,272.54 and 2,556.68

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Solution

The fourth proportional to 2,851.04, 4,272.54 and 2,556.68 is: 3,831.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851.04 : 4,272.54 = 2,556.68 : x
  2. Step 2: Convert to fraction form
    2,851.04/4,272.54 = 2,556.68/x
  3. Step 3: Cross multiply
    2,851.04x = 4,272.54 × 2,556.68
  4. Step 4: Simplify right side
    2,851.04x = 10,923,517.57
  5. Step 5: Solve for x
    x = 10,923,517.57/2,851.04
  6. Step 6: Final answer
    x = 3,831.42

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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.