Home / 3,453.67-5,179.77-1,113.88

Finding the Fourth Proportional to 3,453.67, 5,179.77 and 1,113.88

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Solution

The fourth proportional to 3,453.67, 5,179.77 and 1,113.88 is: 1,670.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.67 : 5,179.77 = 1,113.88 : x
  2. Step 2: Convert to fraction form
    3,453.67/5,179.77 = 1,113.88/x
  3. Step 3: Cross multiply
    3,453.67x = 5,179.77 × 1,113.88
  4. Step 4: Simplify right side
    3,453.67x = 5,769,642.21
  5. Step 5: Solve for x
    x = 5,769,642.21/3,453.67
  6. Step 6: Final answer
    x = 1,670.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.