Home / 3,143.03-4,712.70-1,841.75

Finding the Fourth Proportional to 3,143.03, 4,712.70 and 1,841.75

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Solution

The fourth proportional to 3,143.03, 4,712.70 and 1,841.75 is: 2,761.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.03 : 4,712.70 = 1,841.75 : x
  2. Step 2: Convert to fraction form
    3,143.03/4,712.70 = 1,841.75/x
  3. Step 3: Cross multiply
    3,143.03x = 4,712.70 × 1,841.75
  4. Step 4: Simplify right side
    3,143.03x = 8,679,615.23
  5. Step 5: Solve for x
    x = 8,679,615.23/3,143.03
  6. Step 6: Final answer
    x = 2,761.54

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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.