Home / 3,988.49-5,504.91-2,310.27

Finding the Fourth Proportional to 3,988.49, 5,504.91 and 2,310.27

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Solution

The fourth proportional to 3,988.49, 5,504.91 and 2,310.27 is: 3,188.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,988.49 : 5,504.91 = 2,310.27 : x
  2. Step 2: Convert to fraction form
    3,988.49/5,504.91 = 2,310.27/x
  3. Step 3: Cross multiply
    3,988.49x = 5,504.91 × 2,310.27
  4. Step 4: Simplify right side
    3,988.49x = 12,717,828.43
  5. Step 5: Solve for x
    x = 12,717,828.43/3,988.49
  6. Step 6: Final answer
    x = 3,188.64

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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.