Home / 3,189.10-4,785.84-1,241.32

Finding the Fourth Proportional to 3,189.10, 4,785.84 and 1,241.32

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Solution

The fourth proportional to 3,189.10, 4,785.84 and 1,241.32 is: 1,862.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189.10 : 4,785.84 = 1,241.32 : x
  2. Step 2: Convert to fraction form
    3,189.10/4,785.84 = 1,241.32/x
  3. Step 3: Cross multiply
    3,189.10x = 4,785.84 × 1,241.32
  4. Step 4: Simplify right side
    3,189.10x = 5,940,758.91
  5. Step 5: Solve for x
    x = 5,940,758.91/3,189.10
  6. Step 6: Final answer
    x = 1,862.83

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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.