Home / 3,137.68-4,698.30-2,208.21

Finding the Fourth Proportional to 3,137.68, 4,698.30 and 2,208.21

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Solution

The fourth proportional to 3,137.68, 4,698.30 and 2,208.21 is: 3,306.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.68 : 4,698.30 = 2,208.21 : x
  2. Step 2: Convert to fraction form
    3,137.68/4,698.30 = 2,208.21/x
  3. Step 3: Cross multiply
    3,137.68x = 4,698.30 × 2,208.21
  4. Step 4: Simplify right side
    3,137.68x = 10,374,833.04
  5. Step 5: Solve for x
    x = 10,374,833.04/3,137.68
  6. Step 6: Final answer
    x = 3,306.53

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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.