Home / 3,180.81-4,765.55-2,205.03

Finding the Fourth Proportional to 3,180.81, 4,765.55 and 2,205.03

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Solution

The fourth proportional to 3,180.81, 4,765.55 and 2,205.03 is: 3,303.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.81 : 4,765.55 = 2,205.03 : x
  2. Step 2: Convert to fraction form
    3,180.81/4,765.55 = 2,205.03/x
  3. Step 3: Cross multiply
    3,180.81x = 4,765.55 × 2,205.03
  4. Step 4: Simplify right side
    3,180.81x = 10,508,169.69
  5. Step 5: Solve for x
    x = 10,508,169.69/3,180.81
  6. Step 6: Final answer
    x = 3,303.61

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1.5x scale

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.