Home / 3,164.72-4,367.40-1,767.56

Finding the Fourth Proportional to 3,164.72, 4,367.40 and 1,767.56

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Solution

The fourth proportional to 3,164.72, 4,367.40 and 1,767.56 is: 2,439.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,164.72 : 4,367.40 = 1,767.56 : x
  2. Step 2: Convert to fraction form
    3,164.72/4,367.40 = 1,767.56/x
  3. Step 3: Cross multiply
    3,164.72x = 4,367.40 × 1,767.56
  4. Step 4: Simplify right side
    3,164.72x = 7,719,641.54
  5. Step 5: Solve for x
    x = 7,719,641.54/3,164.72
  6. Step 6: Final answer
    x = 2,439.28

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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.