Home / 3,739.41-5,159.97-2,145.63

Finding the Fourth Proportional to 3,739.41, 5,159.97 and 2,145.63

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Solution

The fourth proportional to 3,739.41, 5,159.97 and 2,145.63 is: 2,960.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,739.41 : 5,159.97 = 2,145.63 : x
  2. Step 2: Convert to fraction form
    3,739.41/5,159.97 = 2,145.63/x
  3. Step 3: Cross multiply
    3,739.41x = 5,159.97 × 2,145.63
  4. Step 4: Simplify right side
    3,739.41x = 11,071,349.90
  5. Step 5: Solve for x
    x = 11,071,349.90/3,739.41
  6. Step 6: Final answer
    x = 2,960.73

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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.