Home / 3,813.36-5,710.86-2,165.88

Finding the Fourth Proportional to 3,813.36, 5,710.86 and 2,165.88

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Solution

The fourth proportional to 3,813.36, 5,710.86 and 2,165.88 is: 3,243.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,813.36 : 5,710.86 = 2,165.88 : x
  2. Step 2: Convert to fraction form
    3,813.36/5,710.86 = 2,165.88/x
  3. Step 3: Cross multiply
    3,813.36x = 5,710.86 × 2,165.88
  4. Step 4: Simplify right side
    3,813.36x = 12,369,037.46
  5. Step 5: Solve for x
    x = 12,369,037.46/3,813.36
  6. Step 6: Final answer
    x = 3,243.61

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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.