Home / 3,915.39-5,871.87-1,450.17

Finding the Fourth Proportional to 3,915.39, 5,871.87 and 1,450.17

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Solution

The fourth proportional to 3,915.39, 5,871.87 and 1,450.17 is: 2,174.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,915.39 : 5,871.87 = 1,450.17 : x
  2. Step 2: Convert to fraction form
    3,915.39/5,871.87 = 1,450.17/x
  3. Step 3: Cross multiply
    3,915.39x = 5,871.87 × 1,450.17
  4. Step 4: Simplify right side
    3,915.39x = 8,515,209.72
  5. Step 5: Solve for x
    x = 8,515,209.72/3,915.39
  6. Step 6: Final answer
    x = 2,174.80

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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.