Home / 2,209.42-3,049.06-1,214.76

Finding the Fourth Proportional to 2,209.42, 3,049.06 and 1,214.76

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Solution

The fourth proportional to 2,209.42, 3,049.06 and 1,214.76 is: 1,676.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209.42 : 3,049.06 = 1,214.76 : x
  2. Step 2: Convert to fraction form
    2,209.42/3,049.06 = 1,214.76/x
  3. Step 3: Cross multiply
    2,209.42x = 3,049.06 × 1,214.76
  4. Step 4: Simplify right side
    2,209.42x = 3,703,873.09
  5. Step 5: Solve for x
    x = 3,703,873.09/2,209.42
  6. Step 6: Final answer
    x = 1,676.40

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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.