Home / 3,923.46-5,410.35-2,729.82

Finding the Fourth Proportional to 3,923.46, 5,410.35 and 2,729.82

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Solution

The fourth proportional to 3,923.46, 5,410.35 and 2,729.82 is: 3,764.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,923.46 : 5,410.35 = 2,729.82 : x
  2. Step 2: Convert to fraction form
    3,923.46/5,410.35 = 2,729.82/x
  3. Step 3: Cross multiply
    3,923.46x = 5,410.35 × 2,729.82
  4. Step 4: Simplify right side
    3,923.46x = 14,769,281.64
  5. Step 5: Solve for x
    x = 14,769,281.64/3,923.46
  6. Step 6: Final answer
    x = 3,764.35

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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.