Home / 4,137.25-5,709.41-2,740

Finding the Fourth Proportional to 4,137.25, 5,709.41 and 2,740

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Solution

The fourth proportional to 4,137.25, 5,709.41 and 2,740 is: 3,781.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,137.25 : 5,709.41 = 2,740 : x
  2. Step 2: Convert to fraction form
    4,137.25/5,709.41 = 2,740/x
  3. Step 3: Cross multiply
    4,137.25x = 5,709.41 × 2,740
  4. Step 4: Simplify right side
    4,137.25x = 15,643,769.70
  5. Step 5: Solve for x
    x = 15,643,769.70/4,137.25
  6. Step 6: Final answer
    x = 3,781.20

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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.