Home / 4,128.44-5,695.38-2,449.91

Finding the Fourth Proportional to 4,128.44, 5,695.38 and 2,449.91

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Solution

The fourth proportional to 4,128.44, 5,695.38 and 2,449.91 is: 3,379.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.44 : 5,695.38 = 2,449.91 : x
  2. Step 2: Convert to fraction form
    4,128.44/5,695.38 = 2,449.91/x
  3. Step 3: Cross multiply
    4,128.44x = 5,695.38 × 2,449.91
  4. Step 4: Simplify right side
    4,128.44x = 13,953,182.65
  5. Step 5: Solve for x
    x = 13,953,182.65/4,128.44
  6. Step 6: Final answer
    x = 3,379.78

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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.