Home / 3,196.20-4,408.20-2,448.30

Finding the Fourth Proportional to 3,196.20, 4,408.20 and 2,448.30

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Solution

The fourth proportional to 3,196.20, 4,408.20 and 2,448.30 is: 3,376.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,196.20 : 4,408.20 = 2,448.30 : x
  2. Step 2: Convert to fraction form
    3,196.20/4,408.20 = 2,448.30/x
  3. Step 3: Cross multiply
    3,196.20x = 4,408.20 × 2,448.30
  4. Step 4: Simplify right side
    3,196.20x = 10,792,596.06
  5. Step 5: Solve for x
    x = 10,792,596.06/3,196.20
  6. Step 6: Final answer
    x = 3,376.70

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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.