Home / 3,985.97-5,499.80-2,307.27

Finding the Fourth Proportional to 3,985.97, 5,499.80 and 2,307.27

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Solution

The fourth proportional to 3,985.97, 5,499.80 and 2,307.27 is: 3,183.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985.97 : 5,499.80 = 2,307.27 : x
  2. Step 2: Convert to fraction form
    3,985.97/5,499.80 = 2,307.27/x
  3. Step 3: Cross multiply
    3,985.97x = 5,499.80 × 2,307.27
  4. Step 4: Simplify right side
    3,985.97x = 12,689,523.55
  5. Step 5: Solve for x
    x = 12,689,523.55/3,985.97
  6. Step 6: Final answer
    x = 3,183.55

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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.