Home / 3,709.53-5,119.40-2,137.73

Finding the Fourth Proportional to 3,709.53, 5,119.40 and 2,137.73

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Solution

The fourth proportional to 3,709.53, 5,119.40 and 2,137.73 is: 2,950.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709.53 : 5,119.40 = 2,137.73 : x
  2. Step 2: Convert to fraction form
    3,709.53/5,119.40 = 2,137.73/x
  3. Step 3: Cross multiply
    3,709.53x = 5,119.40 × 2,137.73
  4. Step 4: Simplify right side
    3,709.53x = 10,943,858.68
  5. Step 5: Solve for x
    x = 10,943,858.68/3,709.53
  6. Step 6: Final answer
    x = 2,950.20

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1.5x scale

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.