Home / 3,200.21-4,416.86-2,542.09

Finding the Fourth Proportional to 3,200.21, 4,416.86 and 2,542.09

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Solution

The fourth proportional to 3,200.21, 4,416.86 and 2,542.09 is: 3,508.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200.21 : 4,416.86 = 2,542.09 : x
  2. Step 2: Convert to fraction form
    3,200.21/4,416.86 = 2,542.09/x
  3. Step 3: Cross multiply
    3,200.21x = 4,416.86 × 2,542.09
  4. Step 4: Simplify right side
    3,200.21x = 11,228,020.84
  5. Step 5: Solve for x
    x = 11,228,020.84/3,200.21
  6. Step 6: Final answer
    x = 3,508.53

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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.