Home / 3,576.83-5,367.26-1,385.71

Finding the Fourth Proportional to 3,576.83, 5,367.26 and 1,385.71

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Solution

The fourth proportional to 3,576.83, 5,367.26 and 1,385.71 is: 2,079.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,576.83 : 5,367.26 = 1,385.71 : x
  2. Step 2: Convert to fraction form
    3,576.83/5,367.26 = 1,385.71/x
  3. Step 3: Cross multiply
    3,576.83x = 5,367.26 × 1,385.71
  4. Step 4: Simplify right side
    3,576.83x = 7,437,455.90
  5. Step 5: Solve for x
    x = 7,437,455.90/3,576.83
  6. Step 6: Final answer
    x = 2,079.35

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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.