Home / 2,826.35-3,900.11-1,631.06

Finding the Fourth Proportional to 2,826.35, 3,900.11 and 1,631.06

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Solution

The fourth proportional to 2,826.35, 3,900.11 and 1,631.06 is: 2,250.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,826.35 : 3,900.11 = 1,631.06 : x
  2. Step 2: Convert to fraction form
    2,826.35/3,900.11 = 1,631.06/x
  3. Step 3: Cross multiply
    2,826.35x = 3,900.11 × 1,631.06
  4. Step 4: Simplify right side
    2,826.35x = 6,361,300.39
  5. Step 5: Solve for x
    x = 6,361,300.39/2,826.35
  6. Step 6: Final answer
    x = 2,250.71

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1.5x scale

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.