Home / 3,528.30-5,281.92-2,137.44

Finding the Fourth Proportional to 3,528.30, 5,281.92 and 2,137.44

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Solution

The fourth proportional to 3,528.30, 5,281.92 and 2,137.44 is: 3,199.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.30 : 5,281.92 = 2,137.44 : x
  2. Step 2: Convert to fraction form
    3,528.30/5,281.92 = 2,137.44/x
  3. Step 3: Cross multiply
    3,528.30x = 5,281.92 × 2,137.44
  4. Step 4: Simplify right side
    3,528.30x = 11,289,787.08
  5. Step 5: Solve for x
    x = 11,289,787.08/3,528.30
  6. Step 6: Final answer
    x = 3,199.78

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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.