Home / 3,212.12-4,816.10-2,113.16

Finding the Fourth Proportional to 3,212.12, 4,816.10 and 2,113.16

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Solution

The fourth proportional to 3,212.12, 4,816.10 and 2,113.16 is: 3,168.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.12 : 4,816.10 = 2,113.16 : x
  2. Step 2: Convert to fraction form
    3,212.12/4,816.10 = 2,113.16/x
  3. Step 3: Cross multiply
    3,212.12x = 4,816.10 × 2,113.16
  4. Step 4: Simplify right side
    3,212.12x = 10,177,171.08
  5. Step 5: Solve for x
    x = 10,177,171.08/3,212.12
  6. Step 6: Final answer
    x = 3,168.36

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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.