Home / 3,519.30-4,854.78-2,623.98

Finding the Fourth Proportional to 3,519.30, 4,854.78 and 2,623.98

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Solution

The fourth proportional to 3,519.30, 4,854.78 and 2,623.98 is: 3,619.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.30 : 4,854.78 = 2,623.98 : x
  2. Step 2: Convert to fraction form
    3,519.30/4,854.78 = 2,623.98/x
  3. Step 3: Cross multiply
    3,519.30x = 4,854.78 × 2,623.98
  4. Step 4: Simplify right side
    3,519.30x = 12,738,845.62
  5. Step 5: Solve for x
    x = 12,738,845.62/3,519.30
  6. Step 6: Final answer
    x = 3,619.71

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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.