Home / 3,132.11-4,322.31-1,734.86

Finding the Fourth Proportional to 3,132.11, 4,322.31 and 1,734.86

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Solution

The fourth proportional to 3,132.11, 4,322.31 and 1,734.86 is: 2,394.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.11 : 4,322.31 = 1,734.86 : x
  2. Step 2: Convert to fraction form
    3,132.11/4,322.31 = 1,734.86/x
  3. Step 3: Cross multiply
    3,132.11x = 4,322.31 × 1,734.86
  4. Step 4: Simplify right side
    3,132.11x = 7,498,604.86
  5. Step 5: Solve for x
    x = 7,498,604.86/3,132.11
  6. Step 6: Final answer
    x = 2,394.10

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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.