Home / 3,288.33-4,929.72-1,438.04

Finding the Fourth Proportional to 3,288.33, 4,929.72 and 1,438.04

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Solution

The fourth proportional to 3,288.33, 4,929.72 and 1,438.04 is: 2,155.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288.33 : 4,929.72 = 1,438.04 : x
  2. Step 2: Convert to fraction form
    3,288.33/4,929.72 = 1,438.04/x
  3. Step 3: Cross multiply
    3,288.33x = 4,929.72 × 1,438.04
  4. Step 4: Simplify right side
    3,288.33x = 7,089,134.55
  5. Step 5: Solve for x
    x = 7,089,134.55/3,288.33
  6. Step 6: Final answer
    x = 2,155.85

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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.