Home / 3,453.21-4,765.38-1,881.30

Finding the Fourth Proportional to 3,453.21, 4,765.38 and 1,881.30

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Solution

The fourth proportional to 3,453.21, 4,765.38 and 1,881.30 is: 2,596.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.21 : 4,765.38 = 1,881.30 : x
  2. Step 2: Convert to fraction form
    3,453.21/4,765.38 = 1,881.30/x
  3. Step 3: Cross multiply
    3,453.21x = 4,765.38 × 1,881.30
  4. Step 4: Simplify right side
    3,453.21x = 8,965,109.39
  5. Step 5: Solve for x
    x = 8,965,109.39/3,453.21
  6. Step 6: Final answer
    x = 2,596.17

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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.