Home / 3,143.89-4,717.83-1,758.14

Finding the Fourth Proportional to 3,143.89, 4,717.83 and 1,758.14

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Solution

The fourth proportional to 3,143.89, 4,717.83 and 1,758.14 is: 2,638.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.89 : 4,717.83 = 1,758.14 : x
  2. Step 2: Convert to fraction form
    3,143.89/4,717.83 = 1,758.14/x
  3. Step 3: Cross multiply
    3,143.89x = 4,717.83 × 1,758.14
  4. Step 4: Simplify right side
    3,143.89x = 8,294,605.64
  5. Step 5: Solve for x
    x = 8,294,605.64/3,143.89
  6. Step 6: Final answer
    x = 2,638.33

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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.