Home / 3,558.21-4,910.68-2,660.39

Finding the Fourth Proportional to 3,558.21, 4,910.68 and 2,660.39

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Solution

The fourth proportional to 3,558.21, 4,910.68 and 2,660.39 is: 3,671.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.21 : 4,910.68 = 2,660.39 : x
  2. Step 2: Convert to fraction form
    3,558.21/4,910.68 = 2,660.39/x
  3. Step 3: Cross multiply
    3,558.21x = 4,910.68 × 2,660.39
  4. Step 4: Simplify right side
    3,558.21x = 13,064,323.97
  5. Step 5: Solve for x
    x = 13,064,323.97/3,558.21
  6. Step 6: Final answer
    x = 3,671.60

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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.