Home / 2,107.92-3,158.82-1,453.44

Finding the Fourth Proportional to 2,107.92, 3,158.82 and 1,453.44

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Solution

The fourth proportional to 2,107.92, 3,158.82 and 1,453.44 is: 2,178.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107.92 : 3,158.82 = 1,453.44 : x
  2. Step 2: Convert to fraction form
    2,107.92/3,158.82 = 1,453.44/x
  3. Step 3: Cross multiply
    2,107.92x = 3,158.82 × 1,453.44
  4. Step 4: Simplify right side
    2,107.92x = 4,591,155.34
  5. Step 5: Solve for x
    x = 4,591,155.34/2,107.92
  6. Step 6: Final answer
    x = 2,178.05

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1.5x scale

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.