Home / 2,137.05-3,201.39-1,904.85

Finding the Fourth Proportional to 2,137.05, 3,201.39 and 1,904.85

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Solution

The fourth proportional to 2,137.05, 3,201.39 and 1,904.85 is: 2,853.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137.05 : 3,201.39 = 1,904.85 : x
  2. Step 2: Convert to fraction form
    2,137.05/3,201.39 = 1,904.85/x
  3. Step 3: Cross multiply
    2,137.05x = 3,201.39 × 1,904.85
  4. Step 4: Simplify right side
    2,137.05x = 6,098,167.74
  5. Step 5: Solve for x
    x = 6,098,167.74/2,137.05
  6. Step 6: Final answer
    x = 2,853.54

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1.5x scale

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.