Home / 3,183.12-4,769.24-1,946.72

Finding the Fourth Proportional to 3,183.12, 4,769.24 and 1,946.72

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Solution

The fourth proportional to 3,183.12, 4,769.24 and 1,946.72 is: 2,916.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.12 : 4,769.24 = 1,946.72 : x
  2. Step 2: Convert to fraction form
    3,183.12/4,769.24 = 1,946.72/x
  3. Step 3: Cross multiply
    3,183.12x = 4,769.24 × 1,946.72
  4. Step 4: Simplify right side
    3,183.12x = 9,284,374.89
  5. Step 5: Solve for x
    x = 9,284,374.89/3,183.12
  6. Step 6: Final answer
    x = 2,916.75

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1.5x scale

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.