Home / 3,455.23-5,179.99-1,374.34

Finding the Fourth Proportional to 3,455.23, 5,179.99 and 1,374.34

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Solution

The fourth proportional to 3,455.23, 5,179.99 and 1,374.34 is: 2,060.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.23 : 5,179.99 = 1,374.34 : x
  2. Step 2: Convert to fraction form
    3,455.23/5,179.99 = 1,374.34/x
  3. Step 3: Cross multiply
    3,455.23x = 5,179.99 × 1,374.34
  4. Step 4: Simplify right side
    3,455.23x = 7,119,067.46
  5. Step 5: Solve for x
    x = 7,119,067.46/3,455.23
  6. Step 6: Final answer
    x = 2,060.37

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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.