Home / 3,903.44-5,390.34-2,508.62

Finding the Fourth Proportional to 3,903.44, 5,390.34 and 2,508.62

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Solution

The fourth proportional to 3,903.44, 5,390.34 and 2,508.62 is: 3,464.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903.44 : 5,390.34 = 2,508.62 : x
  2. Step 2: Convert to fraction form
    3,903.44/5,390.34 = 2,508.62/x
  3. Step 3: Cross multiply
    3,903.44x = 5,390.34 × 2,508.62
  4. Step 4: Simplify right side
    3,903.44x = 13,522,314.73
  5. Step 5: Solve for x
    x = 13,522,314.73/3,903.44
  6. Step 6: Final answer
    x = 3,464.20

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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.