Home / 3,883.41-5,359.19-2,390.49

Finding the Fourth Proportional to 3,883.41, 5,359.19 and 2,390.49

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Solution

The fourth proportional to 3,883.41, 5,359.19 and 2,390.49 is: 3,298.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,883.41 : 5,359.19 = 2,390.49 : x
  2. Step 2: Convert to fraction form
    3,883.41/5,359.19 = 2,390.49/x
  3. Step 3: Cross multiply
    3,883.41x = 5,359.19 × 2,390.49
  4. Step 4: Simplify right side
    3,883.41x = 12,811,078.15
  5. Step 5: Solve for x
    x = 12,811,078.15/3,883.41
  6. Step 6: Final answer
    x = 3,298.92

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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.