Home / 3,077.75-4,617.30-1,229.73

Finding the Fourth Proportional to 3,077.75, 4,617.30 and 1,229.73

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Solution

The fourth proportional to 3,077.75, 4,617.30 and 1,229.73 is: 1,844.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.75 : 4,617.30 = 1,229.73 : x
  2. Step 2: Convert to fraction form
    3,077.75/4,617.30 = 1,229.73/x
  3. Step 3: Cross multiply
    3,077.75x = 4,617.30 × 1,229.73
  4. Step 4: Simplify right side
    3,077.75x = 5,678,045.60
  5. Step 5: Solve for x
    x = 5,678,045.60/3,077.75
  6. Step 6: Final answer
    x = 1,844.87

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1.5x scale

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.