Home / 3,651.84-5,046.34-2,988.44

Finding the Fourth Proportional to 3,651.84, 5,046.34 and 2,988.44

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Solution

The fourth proportional to 3,651.84, 5,046.34 and 2,988.44 is: 4,129.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,651.84 : 5,046.34 = 2,988.44 : x
  2. Step 2: Convert to fraction form
    3,651.84/5,046.34 = 2,988.44/x
  3. Step 3: Cross multiply
    3,651.84x = 5,046.34 × 2,988.44
  4. Step 4: Simplify right side
    3,651.84x = 15,080,684.31
  5. Step 5: Solve for x
    x = 15,080,684.31/3,651.84
  6. Step 6: Final answer
    x = 4,129.61

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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.