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Finding the Fourth Proportional to 3,447.41, 4,757.63 and 1,955.39

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Solution

The fourth proportional to 3,447.41, 4,757.63 and 1,955.39 is: 2,698.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447.41 : 4,757.63 = 1,955.39 : x
  2. Step 2: Convert to fraction form
    3,447.41/4,757.63 = 1,955.39/x
  3. Step 3: Cross multiply
    3,447.41x = 4,757.63 × 1,955.39
  4. Step 4: Simplify right side
    3,447.41x = 9,302,988.56
  5. Step 5: Solve for x
    x = 9,302,988.56/3,447.41
  6. Step 6: Final answer
    x = 2,698.55

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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.