Home / 3,717.38-5,576.87-1,408.88

Finding the Fourth Proportional to 3,717.38, 5,576.87 and 1,408.88

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Solution

The fourth proportional to 3,717.38, 5,576.87 and 1,408.88 is: 2,113.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717.38 : 5,576.87 = 1,408.88 : x
  2. Step 2: Convert to fraction form
    3,717.38/5,576.87 = 1,408.88/x
  3. Step 3: Cross multiply
    3,717.38x = 5,576.87 × 1,408.88
  4. Step 4: Simplify right side
    3,717.38x = 7,857,116.24
  5. Step 5: Solve for x
    x = 7,857,116.24/3,717.38
  6. Step 6: Final answer
    x = 2,113.62

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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.