Home / 3,083.10-4,629.60-2,855.70

Finding the Fourth Proportional to 3,083.10, 4,629.60 and 2,855.70

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Solution

The fourth proportional to 3,083.10, 4,629.60 and 2,855.70 is: 4,288.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,083.10 : 4,629.60 = 2,855.70 : x
  2. Step 2: Convert to fraction form
    3,083.10/4,629.60 = 2,855.70/x
  3. Step 3: Cross multiply
    3,083.10x = 4,629.60 × 2,855.70
  4. Step 4: Simplify right side
    3,083.10x = 13,220,748.72
  5. Step 5: Solve for x
    x = 13,220,748.72/3,083.10
  6. Step 6: Final answer
    x = 4,288.13

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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.