Home / 3,216.89-4,435.44-2,686.52

Finding the Fourth Proportional to 3,216.89, 4,435.44 and 2,686.52

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Solution

The fourth proportional to 3,216.89, 4,435.44 and 2,686.52 is: 3,704.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.89 : 4,435.44 = 2,686.52 : x
  2. Step 2: Convert to fraction form
    3,216.89/4,435.44 = 2,686.52/x
  3. Step 3: Cross multiply
    3,216.89x = 4,435.44 × 2,686.52
  4. Step 4: Simplify right side
    3,216.89x = 11,915,898.27
  5. Step 5: Solve for x
    x = 11,915,898.27/3,216.89
  6. Step 6: Final answer
    x = 3,704.17

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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.