Home / 3,381.35-5,072.02-1,433.30

Finding the Fourth Proportional to 3,381.35, 5,072.02 and 1,433.30

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Solution

The fourth proportional to 3,381.35, 5,072.02 and 1,433.30 is: 2,149.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,381.35 : 5,072.02 = 1,433.30 : x
  2. Step 2: Convert to fraction form
    3,381.35/5,072.02 = 1,433.30/x
  3. Step 3: Cross multiply
    3,381.35x = 5,072.02 × 1,433.30
  4. Step 4: Simplify right side
    3,381.35x = 7,269,697.32
  5. Step 5: Solve for x
    x = 7,269,697.32/3,381.35
  6. Step 6: Final answer
    x = 2,149.94

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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.