Home / 3,988.33-5,504.61-3,042.61

Finding the Fourth Proportional to 3,988.33, 5,504.61 and 3,042.61

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Solution

The fourth proportional to 3,988.33, 5,504.61 and 3,042.61 is: 4,199.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,988.33 : 5,504.61 = 3,042.61 : x
  2. Step 2: Convert to fraction form
    3,988.33/5,504.61 = 3,042.61/x
  3. Step 3: Cross multiply
    3,988.33x = 5,504.61 × 3,042.61
  4. Step 4: Simplify right side
    3,988.33x = 16,748,381.43
  5. Step 5: Solve for x
    x = 16,748,381.43/3,988.33
  6. Step 6: Final answer
    x = 4,199.35

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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.