Home / 3,837.69-5,295.24-2,158.83

Finding the Fourth Proportional to 3,837.69, 5,295.24 and 2,158.83

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Solution

The fourth proportional to 3,837.69, 5,295.24 and 2,158.83 is: 2,978.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.69 : 5,295.24 = 2,158.83 : x
  2. Step 2: Convert to fraction form
    3,837.69/5,295.24 = 2,158.83/x
  3. Step 3: Cross multiply
    3,837.69x = 5,295.24 × 2,158.83
  4. Step 4: Simplify right side
    3,837.69x = 11,431,522.97
  5. Step 5: Solve for x
    x = 11,431,522.97/3,837.69
  6. Step 6: Final answer
    x = 2,978.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.