Home / 3,270.38-4,898.88-2,720.79

Finding the Fourth Proportional to 3,270.38, 4,898.88 and 2,720.79

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Solution

The fourth proportional to 3,270.38, 4,898.88 and 2,720.79 is: 4,075.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.38 : 4,898.88 = 2,720.79 : x
  2. Step 2: Convert to fraction form
    3,270.38/4,898.88 = 2,720.79/x
  3. Step 3: Cross multiply
    3,270.38x = 4,898.88 × 2,720.79
  4. Step 4: Simplify right side
    3,270.38x = 13,328,823.72
  5. Step 5: Solve for x
    x = 13,328,823.72/3,270.38
  6. Step 6: Final answer
    x = 4,075.63

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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.