Home / 4,238.24-6,358.66-1,900.20

Finding the Fourth Proportional to 4,238.24, 6,358.66 and 1,900.20

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Solution

The fourth proportional to 4,238.24, 6,358.66 and 1,900.20 is: 2,850.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,238.24 : 6,358.66 = 1,900.20 : x
  2. Step 2: Convert to fraction form
    4,238.24/6,358.66 = 1,900.20/x
  3. Step 3: Cross multiply
    4,238.24x = 6,358.66 × 1,900.20
  4. Step 4: Simplify right side
    4,238.24x = 12,082,725.73
  5. Step 5: Solve for x
    x = 12,082,725.73/4,238.24
  6. Step 6: Final answer
    x = 2,850.88

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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.