Home / 2,850.66-4,271.94-1,388.34

Finding the Fourth Proportional to 2,850.66, 4,271.94 and 1,388.34

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Solution

The fourth proportional to 2,850.66, 4,271.94 and 1,388.34 is: 2,080.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850.66 : 4,271.94 = 1,388.34 : x
  2. Step 2: Convert to fraction form
    2,850.66/4,271.94 = 1,388.34/x
  3. Step 3: Cross multiply
    2,850.66x = 4,271.94 × 1,388.34
  4. Step 4: Simplify right side
    2,850.66x = 5,930,905.18
  5. Step 5: Solve for x
    x = 5,930,905.18/2,850.66
  6. Step 6: Final answer
    x = 2,080.54

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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.