Home / 3,187.62-4,781.43-2,759.94

Finding the Fourth Proportional to 3,187.62, 4,781.43 and 2,759.94

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Solution

The fourth proportional to 3,187.62, 4,781.43 and 2,759.94 is: 4,139.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187.62 : 4,781.43 = 2,759.94 : x
  2. Step 2: Convert to fraction form
    3,187.62/4,781.43 = 2,759.94/x
  3. Step 3: Cross multiply
    3,187.62x = 4,781.43 × 2,759.94
  4. Step 4: Simplify right side
    3,187.62x = 13,196,459.91
  5. Step 5: Solve for x
    x = 13,196,459.91/3,187.62
  6. Step 6: Final answer
    x = 4,139.91

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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.