Home / 3,208.68-4,423.14-2,508.84

Finding the Fourth Proportional to 3,208.68, 4,423.14 and 2,508.84

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Solution

The fourth proportional to 3,208.68, 4,423.14 and 2,508.84 is: 3,458.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208.68 : 4,423.14 = 2,508.84 : x
  2. Step 2: Convert to fraction form
    3,208.68/4,423.14 = 2,508.84/x
  3. Step 3: Cross multiply
    3,208.68x = 4,423.14 × 2,508.84
  4. Step 4: Simplify right side
    3,208.68x = 11,096,950.56
  5. Step 5: Solve for x
    x = 11,096,950.56/3,208.68
  6. Step 6: Final answer
    x = 3,458.42

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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.