Home / 3,183.10-4,392.69-1,766.92

Finding the Fourth Proportional to 3,183.10, 4,392.69 and 1,766.92

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Solution

The fourth proportional to 3,183.10, 4,392.69 and 1,766.92 is: 2,438.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.10 : 4,392.69 = 1,766.92 : x
  2. Step 2: Convert to fraction form
    3,183.10/4,392.69 = 1,766.92/x
  3. Step 3: Cross multiply
    3,183.10x = 4,392.69 × 1,766.92
  4. Step 4: Simplify right side
    3,183.10x = 7,761,531.81
  5. Step 5: Solve for x
    x = 7,761,531.81/3,183.10
  6. Step 6: Final answer
    x = 2,438.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.