Home / 3,975.07-5,961.45-1,603.15

Finding the Fourth Proportional to 3,975.07, 5,961.45 and 1,603.15

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Solution

The fourth proportional to 3,975.07, 5,961.45 and 1,603.15 is: 2,404.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975.07 : 5,961.45 = 1,603.15 : x
  2. Step 2: Convert to fraction form
    3,975.07/5,961.45 = 1,603.15/x
  3. Step 3: Cross multiply
    3,975.07x = 5,961.45 × 1,603.15
  4. Step 4: Simplify right side
    3,975.07x = 9,557,098.57
  5. Step 5: Solve for x
    x = 9,557,098.57/3,975.07
  6. Step 6: Final answer
    x = 2,404.26

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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.