Home / 3,868.68-5,810.94-2,554.36

Finding the Fourth Proportional to 3,868.68, 5,810.94 and 2,554.36

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Solution

The fourth proportional to 3,868.68, 5,810.94 and 2,554.36 is: 3,836.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868.68 : 5,810.94 = 2,554.36 : x
  2. Step 2: Convert to fraction form
    3,868.68/5,810.94 = 2,554.36/x
  3. Step 3: Cross multiply
    3,868.68x = 5,810.94 × 2,554.36
  4. Step 4: Simplify right side
    3,868.68x = 14,843,232.70
  5. Step 5: Solve for x
    x = 14,843,232.70/3,868.68
  6. Step 6: Final answer
    x = 3,836.77

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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.