Home / 3,811.08-5,716.64-1,345.94

Finding the Fourth Proportional to 3,811.08, 5,716.64 and 1,345.94

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Solution

The fourth proportional to 3,811.08, 5,716.64 and 1,345.94 is: 2,018.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,811.08 : 5,716.64 = 1,345.94 : x
  2. Step 2: Convert to fraction form
    3,811.08/5,716.64 = 1,345.94/x
  3. Step 3: Cross multiply
    3,811.08x = 5,716.64 × 1,345.94
  4. Step 4: Simplify right side
    3,811.08x = 7,694,254.44
  5. Step 5: Solve for x
    x = 7,694,254.44/3,811.08
  6. Step 6: Final answer
    x = 2,018.92

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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.