Home / 3,986.67-5,983.15-2,762.70

Finding the Fourth Proportional to 3,986.67, 5,983.15 and 2,762.70

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Solution

The fourth proportional to 3,986.67, 5,983.15 and 2,762.70 is: 4,146.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986.67 : 5,983.15 = 2,762.70 : x
  2. Step 2: Convert to fraction form
    3,986.67/5,983.15 = 2,762.70/x
  3. Step 3: Cross multiply
    3,986.67x = 5,983.15 × 2,762.70
  4. Step 4: Simplify right side
    3,986.67x = 16,529,648.51
  5. Step 5: Solve for x
    x = 16,529,648.51/3,986.67
  6. Step 6: Final answer
    x = 4,146.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.