Home / 3,200.21-4,398.41-2,824.91

Finding the Fourth Proportional to 3,200.21, 4,398.41 and 2,824.91

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Solution

The fourth proportional to 3,200.21, 4,398.41 and 2,824.91 is: 3,882.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200.21 : 4,398.41 = 2,824.91 : x
  2. Step 2: Convert to fraction form
    3,200.21/4,398.41 = 2,824.91/x
  3. Step 3: Cross multiply
    3,200.21x = 4,398.41 × 2,824.91
  4. Step 4: Simplify right side
    3,200.21x = 12,425,097.46
  5. Step 5: Solve for x
    x = 12,425,097.46/3,200.21
  6. Step 6: Final answer
    x = 3,882.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.