Home / 3,849.16-5,771.38-1,508.72

Finding the Fourth Proportional to 3,849.16, 5,771.38 and 1,508.72

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Solution

The fourth proportional to 3,849.16, 5,771.38 and 1,508.72 is: 2,262.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849.16 : 5,771.38 = 1,508.72 : x
  2. Step 2: Convert to fraction form
    3,849.16/5,771.38 = 1,508.72/x
  3. Step 3: Cross multiply
    3,849.16x = 5,771.38 × 1,508.72
  4. Step 4: Simplify right side
    3,849.16x = 8,707,396.43
  5. Step 5: Solve for x
    x = 8,707,396.43/3,849.16
  6. Step 6: Final answer
    x = 2,262.15

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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.