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Finding the Fourth Proportional to 3,447.63, 4,757.97 and 1,955.67

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Solution

The fourth proportional to 3,447.63, 4,757.97 and 1,955.67 is: 2,698.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447.63 : 4,757.97 = 1,955.67 : x
  2. Step 2: Convert to fraction form
    3,447.63/4,757.97 = 1,955.67/x
  3. Step 3: Cross multiply
    3,447.63x = 4,757.97 × 1,955.67
  4. Step 4: Simplify right side
    3,447.63x = 9,305,009.41
  5. Step 5: Solve for x
    x = 9,305,009.41/3,447.63
  6. Step 6: Final answer
    x = 2,698.96

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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.