Home / 3,620.76-5,432.58-1,673.88

Finding the Fourth Proportional to 3,620.76, 5,432.58 and 1,673.88

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Solution

The fourth proportional to 3,620.76, 5,432.58 and 1,673.88 is: 2,511.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620.76 : 5,432.58 = 1,673.88 : x
  2. Step 2: Convert to fraction form
    3,620.76/5,432.58 = 1,673.88/x
  3. Step 3: Cross multiply
    3,620.76x = 5,432.58 × 1,673.88
  4. Step 4: Simplify right side
    3,620.76x = 9,093,487.01
  5. Step 5: Solve for x
    x = 9,093,487.01/3,620.76
  6. Step 6: Final answer
    x = 2,511.49

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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.