Home / 2,554.38-3,834.81-2,172.06

Finding the Fourth Proportional to 2,554.38, 3,834.81 and 2,172.06

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Solution

The fourth proportional to 2,554.38, 3,834.81 and 2,172.06 is: 3,260.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,554.38 : 3,834.81 = 2,172.06 : x
  2. Step 2: Convert to fraction form
    2,554.38/3,834.81 = 2,172.06/x
  3. Step 3: Cross multiply
    2,554.38x = 3,834.81 × 2,172.06
  4. Step 4: Simplify right side
    2,554.38x = 8,329,437.41
  5. Step 5: Solve for x
    x = 8,329,437.41/2,554.38
  6. Step 6: Final answer
    x = 3,260.85

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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.