Home / 3,548.12-5,320.40-2,067.82

Finding the Fourth Proportional to 3,548.12, 5,320.40 and 2,067.82

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Solution

The fourth proportional to 3,548.12, 5,320.40 and 2,067.82 is: 3,100.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,548.12 : 5,320.40 = 2,067.82 : x
  2. Step 2: Convert to fraction form
    3,548.12/5,320.40 = 2,067.82/x
  3. Step 3: Cross multiply
    3,548.12x = 5,320.40 × 2,067.82
  4. Step 4: Simplify right side
    3,548.12x = 11,001,629.53
  5. Step 5: Solve for x
    x = 11,001,629.53/3,548.12
  6. Step 6: Final answer
    x = 3,100.69

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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.