Home / 2,826.85-3,901.32-1,631.88

Finding the Fourth Proportional to 2,826.85, 3,901.32 and 1,631.88

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Solution

The fourth proportional to 2,826.85, 3,901.32 and 1,631.88 is: 2,252.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,826.85 : 3,901.32 = 1,631.88 : x
  2. Step 2: Convert to fraction form
    2,826.85/3,901.32 = 1,631.88/x
  3. Step 3: Cross multiply
    2,826.85x = 3,901.32 × 1,631.88
  4. Step 4: Simplify right side
    2,826.85x = 6,366,469.41
  5. Step 5: Solve for x
    x = 6,366,469.41/2,826.85
  6. Step 6: Final answer
    x = 2,252.14

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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.