Home / 3,519.41-5,305.48-3,281.58

Finding the Fourth Proportional to 3,519.41, 5,305.48 and 3,281.58

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Solution

The fourth proportional to 3,519.41, 5,305.48 and 3,281.58 is: 4,946.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.41 : 5,305.48 = 3,281.58 : x
  2. Step 2: Convert to fraction form
    3,519.41/5,305.48 = 3,281.58/x
  3. Step 3: Cross multiply
    3,519.41x = 5,305.48 × 3,281.58
  4. Step 4: Simplify right side
    3,519.41x = 17,410,348.85
  5. Step 5: Solve for x
    x = 17,410,348.85/3,519.41
  6. Step 6: Final answer
    x = 4,946.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.