Home / 2,826.33-3,900.23-1,631.30

Finding the Fourth Proportional to 2,826.33, 3,900.23 and 1,631.30

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Solution

The fourth proportional to 2,826.33, 3,900.23 and 1,631.30 is: 2,251.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,826.33 : 3,900.23 = 1,631.30 : x
  2. Step 2: Convert to fraction form
    2,826.33/3,900.23 = 1,631.30/x
  3. Step 3: Cross multiply
    2,826.33x = 3,900.23 × 1,631.30
  4. Step 4: Simplify right side
    2,826.33x = 6,362,425.70
  5. Step 5: Solve for x
    x = 6,362,425.70/2,826.33
  6. Step 6: Final answer
    x = 2,251.13

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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.