Home / 3,238.09-4,856.12-2,148.25

Finding the Fourth Proportional to 3,238.09, 4,856.12 and 2,148.25

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Solution

The fourth proportional to 3,238.09, 4,856.12 and 2,148.25 is: 3,221.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,238.09 : 4,856.12 = 2,148.25 : x
  2. Step 2: Convert to fraction form
    3,238.09/4,856.12 = 2,148.25/x
  3. Step 3: Cross multiply
    3,238.09x = 4,856.12 × 2,148.25
  4. Step 4: Simplify right side
    3,238.09x = 10,432,149.05
  5. Step 5: Solve for x
    x = 10,432,149.05/3,238.09
  6. Step 6: Final answer
    x = 3,221.70

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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.