Home / 2,137.29-3,200.57-1,354.92

Finding the Fourth Proportional to 2,137.29, 3,200.57 and 1,354.92

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Solution

The fourth proportional to 2,137.29, 3,200.57 and 1,354.92 is: 2,028.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137.29 : 3,200.57 = 1,354.92 : x
  2. Step 2: Convert to fraction form
    2,137.29/3,200.57 = 1,354.92/x
  3. Step 3: Cross multiply
    2,137.29x = 3,200.57 × 1,354.92
  4. Step 4: Simplify right side
    2,137.29x = 4,336,516.30
  5. Step 5: Solve for x
    x = 4,336,516.30/2,137.29
  6. Step 6: Final answer
    x = 2,028.98

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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.