Home / 3,379.20-4,663.38-1,887.24

Finding the Fourth Proportional to 3,379.20, 4,663.38 and 1,887.24

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Solution

The fourth proportional to 3,379.20, 4,663.38 and 1,887.24 is: 2,604.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379.20 : 4,663.38 = 1,887.24 : x
  2. Step 2: Convert to fraction form
    3,379.20/4,663.38 = 1,887.24/x
  3. Step 3: Cross multiply
    3,379.20x = 4,663.38 × 1,887.24
  4. Step 4: Simplify right side
    3,379.20x = 8,800,917.27
  5. Step 5: Solve for x
    x = 8,800,917.27/3,379.20
  6. Step 6: Final answer
    x = 2,604.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.