Home / 3,135.91-4,327.56-1,738.66

Finding the Fourth Proportional to 3,135.91, 4,327.56 and 1,738.66

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Solution

The fourth proportional to 3,135.91, 4,327.56 and 1,738.66 is: 2,399.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.91 : 4,327.56 = 1,738.66 : x
  2. Step 2: Convert to fraction form
    3,135.91/4,327.56 = 1,738.66/x
  3. Step 3: Cross multiply
    3,135.91x = 4,327.56 × 1,738.66
  4. Step 4: Simplify right side
    3,135.91x = 7,524,146.78
  5. Step 5: Solve for x
    x = 7,524,146.78/3,135.91
  6. Step 6: Final answer
    x = 2,399.35

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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.