Home / 3,879.24-5,818.85-1,143.24

Finding the Fourth Proportional to 3,879.24, 5,818.85 and 1,143.24

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Solution

The fourth proportional to 3,879.24, 5,818.85 and 1,143.24 is: 1,714.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,879.24 : 5,818.85 = 1,143.24 : x
  2. Step 2: Convert to fraction form
    3,879.24/5,818.85 = 1,143.24/x
  3. Step 3: Cross multiply
    3,879.24x = 5,818.85 × 1,143.24
  4. Step 4: Simplify right side
    3,879.24x = 6,652,336.36
  5. Step 5: Solve for x
    x = 6,652,336.36/3,879.24
  6. Step 6: Final answer
    x = 1,714.86

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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.