Home / 3,739.88-5,160.96-2,061.44

Finding the Fourth Proportional to 3,739.88, 5,160.96 and 2,061.44

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Solution

The fourth proportional to 3,739.88, 5,160.96 and 2,061.44 is: 2,844.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,739.88 : 5,160.96 = 2,061.44 : x
  2. Step 2: Convert to fraction form
    3,739.88/5,160.96 = 2,061.44/x
  3. Step 3: Cross multiply
    3,739.88x = 5,160.96 × 2,061.44
  4. Step 4: Simplify right side
    3,739.88x = 10,639,009.38
  5. Step 5: Solve for x
    x = 10,639,009.38/3,739.88
  6. Step 6: Final answer
    x = 2,844.75

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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.