Home / 3,537.85-4,882.33-2,121.77

Finding the Fourth Proportional to 3,537.85, 4,882.33 and 2,121.77

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Solution

The fourth proportional to 3,537.85, 4,882.33 and 2,121.77 is: 2,928.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,537.85 : 4,882.33 = 2,121.77 : x
  2. Step 2: Convert to fraction form
    3,537.85/4,882.33 = 2,121.77/x
  3. Step 3: Cross multiply
    3,537.85x = 4,882.33 × 2,121.77
  4. Step 4: Simplify right side
    3,537.85x = 10,359,146.30
  5. Step 5: Solve for x
    x = 10,359,146.30/3,537.85
  6. Step 6: Final answer
    x = 2,928.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.