Home / 3,322.76-4,585.15-1,906.43

Finding the Fourth Proportional to 3,322.76, 4,585.15 and 1,906.43

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Solution

The fourth proportional to 3,322.76, 4,585.15 and 1,906.43 is: 2,630.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,322.76 : 4,585.15 = 1,906.43 : x
  2. Step 2: Convert to fraction form
    3,322.76/4,585.15 = 1,906.43/x
  3. Step 3: Cross multiply
    3,322.76x = 4,585.15 × 1,906.43
  4. Step 4: Simplify right side
    3,322.76x = 8,741,267.51
  5. Step 5: Solve for x
    x = 8,741,267.51/3,322.76
  6. Step 6: Final answer
    x = 2,630.72

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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.