Home / 2,245.85-3,366.72-1,206.56

Finding the Fourth Proportional to 2,245.85, 3,366.72 and 1,206.56

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Solution

The fourth proportional to 2,245.85, 3,366.72 and 1,206.56 is: 1,808.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,245.85 : 3,366.72 = 1,206.56 : x
  2. Step 2: Convert to fraction form
    2,245.85/3,366.72 = 1,206.56/x
  3. Step 3: Cross multiply
    2,245.85x = 3,366.72 × 1,206.56
  4. Step 4: Simplify right side
    2,245.85x = 4,062,149.68
  5. Step 5: Solve for x
    x = 4,062,149.68/2,245.85
  6. Step 6: Final answer
    x = 1,808.74

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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.