Home / 3,766.49-5,654.91-1,918.85

Finding the Fourth Proportional to 3,766.49, 5,654.91 and 1,918.85

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Solution

The fourth proportional to 3,766.49, 5,654.91 and 1,918.85 is: 2,880.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,766.49 : 5,654.91 = 1,918.85 : x
  2. Step 2: Convert to fraction form
    3,766.49/5,654.91 = 1,918.85/x
  3. Step 3: Cross multiply
    3,766.49x = 5,654.91 × 1,918.85
  4. Step 4: Simplify right side
    3,766.49x = 10,850,886.18
  5. Step 5: Solve for x
    x = 10,850,886.18/3,766.49
  6. Step 6: Final answer
    x = 2,880.91

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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.