Home / 3,188.91-4,786.43-2,610.57

Finding the Fourth Proportional to 3,188.91, 4,786.43 and 2,610.57

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Solution

The fourth proportional to 3,188.91, 4,786.43 and 2,610.57 is: 3,918.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.91 : 4,786.43 = 2,610.57 : x
  2. Step 2: Convert to fraction form
    3,188.91/4,786.43 = 2,610.57/x
  3. Step 3: Cross multiply
    3,188.91x = 4,786.43 × 2,610.57
  4. Step 4: Simplify right side
    3,188.91x = 12,495,297.51
  5. Step 5: Solve for x
    x = 12,495,297.51/3,188.91
  6. Step 6: Final answer
    x = 3,918.36

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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.