Home / 2,205.80-3,305.32-1,472.76

Finding the Fourth Proportional to 2,205.80, 3,305.32 and 1,472.76

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Solution

The fourth proportional to 2,205.80, 3,305.32 and 1,472.76 is: 2,206.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205.80 : 3,305.32 = 1,472.76 : x
  2. Step 2: Convert to fraction form
    2,205.80/3,305.32 = 1,472.76/x
  3. Step 3: Cross multiply
    2,205.80x = 3,305.32 × 1,472.76
  4. Step 4: Simplify right side
    2,205.80x = 4,867,943.08
  5. Step 5: Solve for x
    x = 4,867,943.08/2,205.80
  6. Step 6: Final answer
    x = 2,206.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.