Home / 3,276.84-4,909.62-2,183.40

Finding the Fourth Proportional to 3,276.84, 4,909.62 and 2,183.40

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Solution

The fourth proportional to 3,276.84, 4,909.62 and 2,183.40 is: 3,271.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.84 : 4,909.62 = 2,183.40 : x
  2. Step 2: Convert to fraction form
    3,276.84/4,909.62 = 2,183.40/x
  3. Step 3: Cross multiply
    3,276.84x = 4,909.62 × 2,183.40
  4. Step 4: Simplify right side
    3,276.84x = 10,719,664.31
  5. Step 5: Solve for x
    x = 10,719,664.31/3,276.84
  6. Step 6: Final answer
    x = 3,271.34

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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.