Home / 2,676.30-4,013.12-1,214.42

Finding the Fourth Proportional to 2,676.30, 4,013.12 and 1,214.42

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Solution

The fourth proportional to 2,676.30, 4,013.12 and 1,214.42 is: 1,821.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,676.30 : 4,013.12 = 1,214.42 : x
  2. Step 2: Convert to fraction form
    2,676.30/4,013.12 = 1,214.42/x
  3. Step 3: Cross multiply
    2,676.30x = 4,013.12 × 1,214.42
  4. Step 4: Simplify right side
    2,676.30x = 4,873,613.19
  5. Step 5: Solve for x
    x = 4,873,613.19/2,676.30
  6. Step 6: Final answer
    x = 1,821.03

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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.