Home / 3,845.14-5,766.50-1,247.54

Finding the Fourth Proportional to 3,845.14, 5,766.50 and 1,247.54

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Solution

The fourth proportional to 3,845.14, 5,766.50 and 1,247.54 is: 1,870.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,845.14 : 5,766.50 = 1,247.54 : x
  2. Step 2: Convert to fraction form
    3,845.14/5,766.50 = 1,247.54/x
  3. Step 3: Cross multiply
    3,845.14x = 5,766.50 × 1,247.54
  4. Step 4: Simplify right side
    3,845.14x = 7,193,939.41
  5. Step 5: Solve for x
    x = 7,193,939.41/3,845.14
  6. Step 6: Final answer
    x = 1,870.92

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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.