Home / 3,238.25-4,857.96-2,143.52

Finding the Fourth Proportional to 3,238.25, 4,857.96 and 2,143.52

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Solution

The fourth proportional to 3,238.25, 4,857.96 and 2,143.52 is: 3,215.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,238.25 : 4,857.96 = 2,143.52 : x
  2. Step 2: Convert to fraction form
    3,238.25/4,857.96 = 2,143.52/x
  3. Step 3: Cross multiply
    3,238.25x = 4,857.96 × 2,143.52
  4. Step 4: Simplify right side
    3,238.25x = 10,413,134.42
  5. Step 5: Solve for x
    x = 10,413,134.42/3,238.25
  6. Step 6: Final answer
    x = 3,215.67

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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.