Home / 3,739.26-5,169.52-2,806.14

Finding the Fourth Proportional to 3,739.26, 5,169.52 and 2,806.14

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Solution

The fourth proportional to 3,739.26, 5,169.52 and 2,806.14 is: 3,879.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,739.26 : 5,169.52 = 2,806.14 : x
  2. Step 2: Convert to fraction form
    3,739.26/5,169.52 = 2,806.14/x
  3. Step 3: Cross multiply
    3,739.26x = 5,169.52 × 2,806.14
  4. Step 4: Simplify right side
    3,739.26x = 14,506,396.85
  5. Step 5: Solve for x
    x = 14,506,396.85/3,739.26
  6. Step 6: Final answer
    x = 3,879.48

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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.