Home / 3,729.46-5,146.86-2,238.44

Finding the Fourth Proportional to 3,729.46, 5,146.86 and 2,238.44

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Solution

The fourth proportional to 3,729.46, 5,146.86 and 2,238.44 is: 3,089.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,729.46 : 5,146.86 = 2,238.44 : x
  2. Step 2: Convert to fraction form
    3,729.46/5,146.86 = 2,238.44/x
  3. Step 3: Cross multiply
    3,729.46x = 5,146.86 × 2,238.44
  4. Step 4: Simplify right side
    3,729.46x = 11,520,937.30
  5. Step 5: Solve for x
    x = 11,520,937.30/3,729.46
  6. Step 6: Final answer
    x = 3,089.17

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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.