Home / 3,206.72-4,429.44-2,369.28

Finding the Fourth Proportional to 3,206.72, 4,429.44 and 2,369.28

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Solution

The fourth proportional to 3,206.72, 4,429.44 and 2,369.28 is: 3,272.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,206.72 : 4,429.44 = 2,369.28 : x
  2. Step 2: Convert to fraction form
    3,206.72/4,429.44 = 2,369.28/x
  3. Step 3: Cross multiply
    3,206.72x = 4,429.44 × 2,369.28
  4. Step 4: Simplify right side
    3,206.72x = 10,494,583.60
  5. Step 5: Solve for x
    x = 10,494,583.60/3,206.72
  6. Step 6: Final answer
    x = 3,272.68

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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.