Home / 3,739.29-5,160.20-2,060.70

Finding the Fourth Proportional to 3,739.29, 5,160.20 and 2,060.70

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Solution

The fourth proportional to 3,739.29, 5,160.20 and 2,060.70 is: 2,843.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,739.29 : 5,160.20 = 2,060.70 : x
  2. Step 2: Convert to fraction form
    3,739.29/5,160.20 = 2,060.70/x
  3. Step 3: Cross multiply
    3,739.29x = 5,160.20 × 2,060.70
  4. Step 4: Simplify right side
    3,739.29x = 10,633,613.84
  5. Step 5: Solve for x
    x = 10,633,613.84/3,739.29
  6. Step 6: Final answer
    x = 2,843.75

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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.