Home / 3,701.84-5,108.64-2,209.88

Finding the Fourth Proportional to 3,701.84, 5,108.64 and 2,209.88

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Solution

The fourth proportional to 3,701.84, 5,108.64 and 2,209.88 is: 3,049.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,701.84 : 5,108.64 = 2,209.88 : x
  2. Step 2: Convert to fraction form
    3,701.84/5,108.64 = 2,209.88/x
  3. Step 3: Cross multiply
    3,701.84x = 5,108.64 × 2,209.88
  4. Step 4: Simplify right side
    3,701.84x = 11,289,481.36
  5. Step 5: Solve for x
    x = 11,289,481.36/3,701.84
  6. Step 6: Final answer
    x = 3,049.69

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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.