Home / 2,758.74-4,137.30-2,270.58

Finding the Fourth Proportional to 2,758.74, 4,137.30 and 2,270.58

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Solution

The fourth proportional to 2,758.74, 4,137.30 and 2,270.58 is: 3,405.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758.74 : 4,137.30 = 2,270.58 : x
  2. Step 2: Convert to fraction form
    2,758.74/4,137.30 = 2,270.58/x
  3. Step 3: Cross multiply
    2,758.74x = 4,137.30 × 2,270.58
  4. Step 4: Simplify right side
    2,758.74x = 9,394,070.63
  5. Step 5: Solve for x
    x = 9,394,070.63/2,758.74
  6. Step 6: Final answer
    x = 3,405.20

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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.