Home / 3,816.63-5,267.27-2,138.01

Finding the Fourth Proportional to 3,816.63, 5,267.27 and 2,138.01

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Solution

The fourth proportional to 3,816.63, 5,267.27 and 2,138.01 is: 2,950.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816.63 : 5,267.27 = 2,138.01 : x
  2. Step 2: Convert to fraction form
    3,816.63/5,267.27 = 2,138.01/x
  3. Step 3: Cross multiply
    3,816.63x = 5,267.27 × 2,138.01
  4. Step 4: Simplify right side
    3,816.63x = 11,261,485.14
  5. Step 5: Solve for x
    x = 11,261,485.14/3,816.63
  6. Step 6: Final answer
    x = 2,950.64

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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.