Home / 3,698.35-5,099.80-3,222.16

Finding the Fourth Proportional to 3,698.35, 5,099.80 and 3,222.16

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Solution

The fourth proportional to 3,698.35, 5,099.80 and 3,222.16 is: 4,443.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,698.35 : 5,099.80 = 3,222.16 : x
  2. Step 2: Convert to fraction form
    3,698.35/5,099.80 = 3,222.16/x
  3. Step 3: Cross multiply
    3,698.35x = 5,099.80 × 3,222.16
  4. Step 4: Simplify right side
    3,698.35x = 16,432,371.57
  5. Step 5: Solve for x
    x = 16,432,371.57/3,698.35
  6. Step 6: Final answer
    x = 4,443.16

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Half scale
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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.