Home / 3,816.53-5,266.80-2,137.98

Finding the Fourth Proportional to 3,816.53, 5,266.80 and 2,137.98

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Solution

The fourth proportional to 3,816.53, 5,266.80 and 2,137.98 is: 2,950.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816.53 : 5,266.80 = 2,137.98 : x
  2. Step 2: Convert to fraction form
    3,816.53/5,266.80 = 2,137.98/x
  3. Step 3: Cross multiply
    3,816.53x = 5,266.80 × 2,137.98
  4. Step 4: Simplify right side
    3,816.53x = 11,260,313.06
  5. Step 5: Solve for x
    x = 11,260,313.06/3,816.53
  6. Step 6: Final answer
    x = 2,950.41

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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.