Home / 2,834.60-4,243.52-2,107.40

Finding the Fourth Proportional to 2,834.60, 4,243.52 and 2,107.40

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Solution

The fourth proportional to 2,834.60, 4,243.52 and 2,107.40 is: 3,154.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,834.60 : 4,243.52 = 2,107.40 : x
  2. Step 2: Convert to fraction form
    2,834.60/4,243.52 = 2,107.40/x
  3. Step 3: Cross multiply
    2,834.60x = 4,243.52 × 2,107.40
  4. Step 4: Simplify right side
    2,834.60x = 8,942,794.05
  5. Step 5: Solve for x
    x = 8,942,794.05/2,834.60
  6. Step 6: Final answer
    x = 3,154.87

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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.