Home / 2,209.45-3,049.09-1,214.73

Finding the Fourth Proportional to 2,209.45, 3,049.09 and 1,214.73

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Solution

The fourth proportional to 2,209.45, 3,049.09 and 1,214.73 is: 1,676.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209.45 : 3,049.09 = 1,214.73 : x
  2. Step 2: Convert to fraction form
    2,209.45/3,049.09 = 1,214.73/x
  3. Step 3: Cross multiply
    2,209.45x = 3,049.09 × 1,214.73
  4. Step 4: Simplify right side
    2,209.45x = 3,703,815.02
  5. Step 5: Solve for x
    x = 3,703,815.02/2,209.45
  6. Step 6: Final answer
    x = 1,676.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.