Home / 3,181.29-4,765.65-2,942.04

Finding the Fourth Proportional to 3,181.29, 4,765.65 and 2,942.04

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Solution

The fourth proportional to 3,181.29, 4,765.65 and 2,942.04 is: 4,407.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181.29 : 4,765.65 = 2,942.04 : x
  2. Step 2: Convert to fraction form
    3,181.29/4,765.65 = 2,942.04/x
  3. Step 3: Cross multiply
    3,181.29x = 4,765.65 × 2,942.04
  4. Step 4: Simplify right side
    3,181.29x = 14,020,732.93
  5. Step 5: Solve for x
    x = 14,020,732.93/3,181.29
  6. Step 6: Final answer
    x = 4,407.25

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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.