Home / 3,861.70-5,792.55-2,382.10

Finding the Fourth Proportional to 3,861.70, 5,792.55 and 2,382.10

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Solution

The fourth proportional to 3,861.70, 5,792.55 and 2,382.10 is: 3,573.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861.70 : 5,792.55 = 2,382.10 : x
  2. Step 2: Convert to fraction form
    3,861.70/5,792.55 = 2,382.10/x
  3. Step 3: Cross multiply
    3,861.70x = 5,792.55 × 2,382.10
  4. Step 4: Simplify right side
    3,861.70x = 13,798,433.36
  5. Step 5: Solve for x
    x = 13,798,433.36/3,861.70
  6. Step 6: Final answer
    x = 3,573.15

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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.