Home / 3,447.48-5,171.23-1,256.21

Finding the Fourth Proportional to 3,447.48, 5,171.23 and 1,256.21

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Solution

The fourth proportional to 3,447.48, 5,171.23 and 1,256.21 is: 1,884.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447.48 : 5,171.23 = 1,256.21 : x
  2. Step 2: Convert to fraction form
    3,447.48/5,171.23 = 1,256.21/x
  3. Step 3: Cross multiply
    3,447.48x = 5,171.23 × 1,256.21
  4. Step 4: Simplify right side
    3,447.48x = 6,496,124.98
  5. Step 5: Solve for x
    x = 6,496,124.98/3,447.48
  6. Step 6: Final answer
    x = 1,884.31

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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.