Home / 2,568.76-3,851.58-1,249.91

Finding the Fourth Proportional to 2,568.76, 3,851.58 and 1,249.91

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Solution

The fourth proportional to 2,568.76, 3,851.58 and 1,249.91 is: 1,874.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,568.76 : 3,851.58 = 1,249.91 : x
  2. Step 2: Convert to fraction form
    2,568.76/3,851.58 = 1,249.91/x
  3. Step 3: Cross multiply
    2,568.76x = 3,851.58 × 1,249.91
  4. Step 4: Simplify right side
    2,568.76x = 4,814,128.23
  5. Step 5: Solve for x
    x = 4,814,128.23/2,568.76
  6. Step 6: Final answer
    x = 1,874.11

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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.