Home / 3,804.84-5,249.12-2,312.52

Finding the Fourth Proportional to 3,804.84, 5,249.12 and 2,312.52

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Solution

The fourth proportional to 3,804.84, 5,249.12 and 2,312.52 is: 3,190.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,804.84 : 5,249.12 = 2,312.52 : x
  2. Step 2: Convert to fraction form
    3,804.84/5,249.12 = 2,312.52/x
  3. Step 3: Cross multiply
    3,804.84x = 5,249.12 × 2,312.52
  4. Step 4: Simplify right side
    3,804.84x = 12,138,694.98
  5. Step 5: Solve for x
    x = 12,138,694.98/3,804.84
  6. Step 6: Final answer
    x = 3,190.33

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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.