Home / 3,447.29-5,171.75-1,256.04

Finding the Fourth Proportional to 3,447.29, 5,171.75 and 1,256.04

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Solution

The fourth proportional to 3,447.29, 5,171.75 and 1,256.04 is: 1,884.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447.29 : 5,171.75 = 1,256.04 : x
  2. Step 2: Convert to fraction form
    3,447.29/5,171.75 = 1,256.04/x
  3. Step 3: Cross multiply
    3,447.29x = 5,171.75 × 1,256.04
  4. Step 4: Simplify right side
    3,447.29x = 6,495,923.30
  5. Step 5: Solve for x
    x = 6,495,923.30/3,447.29
  6. Step 6: Final answer
    x = 1,884.36

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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.