Home / 3,379.72-4,663.38-1,887.64

Finding the Fourth Proportional to 3,379.72, 4,663.38 and 1,887.64

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Solution

The fourth proportional to 3,379.72, 4,663.38 and 1,887.64 is: 2,604.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379.72 : 4,663.38 = 1,887.64 : x
  2. Step 2: Convert to fraction form
    3,379.72/4,663.38 = 1,887.64/x
  3. Step 3: Cross multiply
    3,379.72x = 4,663.38 × 1,887.64
  4. Step 4: Simplify right side
    3,379.72x = 8,802,782.62
  5. Step 5: Solve for x
    x = 8,802,782.62/3,379.72
  6. Step 6: Final answer
    x = 2,604.59

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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.