Home / 4,067.80-6,102.42-1,603.60

Finding the Fourth Proportional to 4,067.80, 6,102.42 and 1,603.60

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Solution

The fourth proportional to 4,067.80, 6,102.42 and 1,603.60 is: 2,405.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,067.80 : 6,102.42 = 1,603.60 : x
  2. Step 2: Convert to fraction form
    4,067.80/6,102.42 = 1,603.60/x
  3. Step 3: Cross multiply
    4,067.80x = 6,102.42 × 1,603.60
  4. Step 4: Simplify right side
    4,067.80x = 9,785,840.71
  5. Step 5: Solve for x
    x = 9,785,840.71/4,067.80
  6. Step 6: Final answer
    x = 2,405.68

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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.