Home / 3,149.10-4,719.69-1,847.34

Finding the Fourth Proportional to 3,149.10, 4,719.69 and 1,847.34

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Solution

The fourth proportional to 3,149.10, 4,719.69 and 1,847.34 is: 2,768.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.10 : 4,719.69 = 1,847.34 : x
  2. Step 2: Convert to fraction form
    3,149.10/4,719.69 = 1,847.34/x
  3. Step 3: Cross multiply
    3,149.10x = 4,719.69 × 1,847.34
  4. Step 4: Simplify right side
    3,149.10x = 8,718,872.12
  5. Step 5: Solve for x
    x = 8,718,872.12/3,149.10
  6. Step 6: Final answer
    x = 2,768.69

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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.