Home / 3,961.41-5,937.60-1,878.47

Finding the Fourth Proportional to 3,961.41, 5,937.60 and 1,878.47

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Solution

The fourth proportional to 3,961.41, 5,937.60 and 1,878.47 is: 2,815.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,961.41 : 5,937.60 = 1,878.47 : x
  2. Step 2: Convert to fraction form
    3,961.41/5,937.60 = 1,878.47/x
  3. Step 3: Cross multiply
    3,961.41x = 5,937.60 × 1,878.47
  4. Step 4: Simplify right side
    3,961.41x = 11,153,625.36
  5. Step 5: Solve for x
    x = 11,153,625.36/3,961.41
  6. Step 6: Final answer
    x = 2,815.57

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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.