Home / 3,453.12-5,179.99-1,113.33

Finding the Fourth Proportional to 3,453.12, 5,179.99 and 1,113.33

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Solution

The fourth proportional to 3,453.12, 5,179.99 and 1,113.33 is: 1,670.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.12 : 5,179.99 = 1,113.33 : x
  2. Step 2: Convert to fraction form
    3,453.12/5,179.99 = 1,113.33/x
  3. Step 3: Cross multiply
    3,453.12x = 5,179.99 × 1,113.33
  4. Step 4: Simplify right side
    3,453.12x = 5,767,038.27
  5. Step 5: Solve for x
    x = 5,767,038.27/3,453.12
  6. Step 6: Final answer
    x = 1,670.09

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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.