Home / 3,447.39-4,757.89-1,955.68

Finding the Fourth Proportional to 3,447.39, 4,757.89 and 1,955.68

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Solution

The fourth proportional to 3,447.39, 4,757.89 and 1,955.68 is: 2,699.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447.39 : 4,757.89 = 1,955.68 : x
  2. Step 2: Convert to fraction form
    3,447.39/4,757.89 = 1,955.68/x
  3. Step 3: Cross multiply
    3,447.39x = 4,757.89 × 1,955.68
  4. Step 4: Simplify right side
    3,447.39x = 9,304,910.32
  5. Step 5: Solve for x
    x = 9,304,910.32/3,447.39
  6. Step 6: Final answer
    x = 2,699.12

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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.