Home / 2,714.28-4,069.26-1,252.68

Finding the Fourth Proportional to 2,714.28, 4,069.26 and 1,252.68

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Solution

The fourth proportional to 2,714.28, 4,069.26 and 1,252.68 is: 1,878.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,714.28 : 4,069.26 = 1,252.68 : x
  2. Step 2: Convert to fraction form
    2,714.28/4,069.26 = 1,252.68/x
  3. Step 3: Cross multiply
    2,714.28x = 4,069.26 × 1,252.68
  4. Step 4: Simplify right side
    2,714.28x = 5,097,480.62
  5. Step 5: Solve for x
    x = 5,097,480.62/2,714.28
  6. Step 6: Final answer
    x = 1,878.02

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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.