Home / 3,942.83-5,915.64-1,751.36

Finding the Fourth Proportional to 3,942.83, 5,915.64 and 1,751.36

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Solution

The fourth proportional to 3,942.83, 5,915.64 and 1,751.36 is: 2,627.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942.83 : 5,915.64 = 1,751.36 : x
  2. Step 2: Convert to fraction form
    3,942.83/5,915.64 = 1,751.36/x
  3. Step 3: Cross multiply
    3,942.83x = 5,915.64 × 1,751.36
  4. Step 4: Simplify right side
    3,942.83x = 10,360,415.27
  5. Step 5: Solve for x
    x = 10,360,415.27/3,942.83
  6. Step 6: Final answer
    x = 2,627.66

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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.