Home / 2,761.05-4,143.39-1,200.60

Finding the Fourth Proportional to 2,761.05, 4,143.39 and 1,200.60

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Solution

The fourth proportional to 2,761.05, 4,143.39 and 1,200.60 is: 1,801.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761.05 : 4,143.39 = 1,200.60 : x
  2. Step 2: Convert to fraction form
    2,761.05/4,143.39 = 1,200.60/x
  3. Step 3: Cross multiply
    2,761.05x = 4,143.39 × 1,200.60
  4. Step 4: Simplify right side
    2,761.05x = 4,974,554.03
  5. Step 5: Solve for x
    x = 4,974,554.03/2,761.05
  6. Step 6: Final answer
    x = 1,801.69

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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.