Home / 2,206.81-3,311.03-1,166.86

Finding the Fourth Proportional to 2,206.81, 3,311.03 and 1,166.86

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Solution

The fourth proportional to 2,206.81, 3,311.03 and 1,166.86 is: 1,750.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,206.81 : 3,311.03 = 1,166.86 : x
  2. Step 2: Convert to fraction form
    2,206.81/3,311.03 = 1,166.86/x
  3. Step 3: Cross multiply
    2,206.81x = 3,311.03 × 1,166.86
  4. Step 4: Simplify right side
    2,206.81x = 3,863,508.47
  5. Step 5: Solve for x
    x = 3,863,508.47/2,206.81
  6. Step 6: Final answer
    x = 1,750.72

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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.