Home / 3,676.20-5,506.20-2,851.80

Finding the Fourth Proportional to 3,676.20, 5,506.20 and 2,851.80

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Solution

The fourth proportional to 3,676.20, 5,506.20 and 2,851.80 is: 4,271.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,676.20 : 5,506.20 = 2,851.80 : x
  2. Step 2: Convert to fraction form
    3,676.20/5,506.20 = 2,851.80/x
  3. Step 3: Cross multiply
    3,676.20x = 5,506.20 × 2,851.80
  4. Step 4: Simplify right side
    3,676.20x = 15,702,581.16
  5. Step 5: Solve for x
    x = 15,702,581.16/3,676.20
  6. Step 6: Final answer
    x = 4,271.42

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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.