Home / 2,676.20-4,013.10-1,214.60

Finding the Fourth Proportional to 2,676.20, 4,013.10 and 1,214.60

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Solution

The fourth proportional to 2,676.20, 4,013.10 and 1,214.60 is: 1,821.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,676.20 : 4,013.10 = 1,214.60 : x
  2. Step 2: Convert to fraction form
    2,676.20/4,013.10 = 1,214.60/x
  3. Step 3: Cross multiply
    2,676.20x = 4,013.10 × 1,214.60
  4. Step 4: Simplify right side
    2,676.20x = 4,874,311.26
  5. Step 5: Solve for x
    x = 4,874,311.26/2,676.20
  6. Step 6: Final answer
    x = 1,821.36

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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.