Home / 4,122.90-6,183.54-2,389.50

Finding the Fourth Proportional to 4,122.90, 6,183.54 and 2,389.50

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Solution

The fourth proportional to 4,122.90, 6,183.54 and 2,389.50 is: 3,583.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.90 : 6,183.54 = 2,389.50 : x
  2. Step 2: Convert to fraction form
    4,122.90/6,183.54 = 2,389.50/x
  3. Step 3: Cross multiply
    4,122.90x = 6,183.54 × 2,389.50
  4. Step 4: Simplify right side
    4,122.90x = 14,775,568.83
  5. Step 5: Solve for x
    x = 14,775,568.83/4,122.90
  6. Step 6: Final answer
    x = 3,583.78

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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.