Home / 3,761.36-5,639.96-2,576.76

Finding the Fourth Proportional to 3,761.36, 5,639.96 and 2,576.76

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Solution

The fourth proportional to 3,761.36, 5,639.96 and 2,576.76 is: 3,863.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,761.36 : 5,639.96 = 2,576.76 : x
  2. Step 2: Convert to fraction form
    3,761.36/5,639.96 = 2,576.76/x
  3. Step 3: Cross multiply
    3,761.36x = 5,639.96 × 2,576.76
  4. Step 4: Simplify right side
    3,761.36x = 14,532,829.77
  5. Step 5: Solve for x
    x = 14,532,829.77/3,761.36
  6. Step 6: Final answer
    x = 3,863.72

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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.