Home / 3,448.56-5,172.83-1,256.39

Finding the Fourth Proportional to 3,448.56, 5,172.83 and 1,256.39

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Solution

The fourth proportional to 3,448.56, 5,172.83 and 1,256.39 is: 1,884.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448.56 : 5,172.83 = 1,256.39 : x
  2. Step 2: Convert to fraction form
    3,448.56/5,172.83 = 1,256.39/x
  3. Step 3: Cross multiply
    3,448.56x = 5,172.83 × 1,256.39
  4. Step 4: Simplify right side
    3,448.56x = 6,499,107.96
  5. Step 5: Solve for x
    x = 6,499,107.96/3,448.56
  6. Step 6: Final answer
    x = 1,884.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.