Home / 3,520.37-4,858.90-2,028.55

Finding the Fourth Proportional to 3,520.37, 4,858.90 and 2,028.55

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Solution

The fourth proportional to 3,520.37, 4,858.90 and 2,028.55 is: 2,799.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.37 : 4,858.90 = 2,028.55 : x
  2. Step 2: Convert to fraction form
    3,520.37/4,858.90 = 2,028.55/x
  3. Step 3: Cross multiply
    3,520.37x = 4,858.90 × 2,028.55
  4. Step 4: Simplify right side
    3,520.37x = 9,856,521.60
  5. Step 5: Solve for x
    x = 9,856,521.60/3,520.37
  6. Step 6: Final answer
    x = 2,799.86

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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.