Home / 3,247.20-4,869.86-1,166.85

Finding the Fourth Proportional to 3,247.20, 4,869.86 and 1,166.85

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Solution

The fourth proportional to 3,247.20, 4,869.86 and 1,166.85 is: 1,749.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247.20 : 4,869.86 = 1,166.85 : x
  2. Step 2: Convert to fraction form
    3,247.20/4,869.86 = 1,166.85/x
  3. Step 3: Cross multiply
    3,247.20x = 4,869.86 × 1,166.85
  4. Step 4: Simplify right side
    3,247.20x = 5,682,390.31
  5. Step 5: Solve for x
    x = 5,682,390.31/3,247.20
  6. Step 6: Final answer
    x = 1,749.94

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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.