Home / 3,739.28-5,160.66-2,247.98

Finding the Fourth Proportional to 3,739.28, 5,160.66 and 2,247.98

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Solution

The fourth proportional to 3,739.28, 5,160.66 and 2,247.98 is: 3,102.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,739.28 : 5,160.66 = 2,247.98 : x
  2. Step 2: Convert to fraction form
    3,739.28/5,160.66 = 2,247.98/x
  3. Step 3: Cross multiply
    3,739.28x = 5,160.66 × 2,247.98
  4. Step 4: Simplify right side
    3,739.28x = 11,601,034.66
  5. Step 5: Solve for x
    x = 11,601,034.66/3,739.28
  6. Step 6: Final answer
    x = 3,102.48

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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.