Home / 3,216.14-4,816.38-2,119.40

Finding the Fourth Proportional to 3,216.14, 4,816.38 and 2,119.40

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Solution

The fourth proportional to 3,216.14, 4,816.38 and 2,119.40 is: 3,173.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.14 : 4,816.38 = 2,119.40 : x
  2. Step 2: Convert to fraction form
    3,216.14/4,816.38 = 2,119.40/x
  3. Step 3: Cross multiply
    3,216.14x = 4,816.38 × 2,119.40
  4. Step 4: Simplify right side
    3,216.14x = 10,207,835.77
  5. Step 5: Solve for x
    x = 10,207,835.77/3,216.14
  6. Step 6: Final answer
    x = 3,173.94

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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.