Home / 3,837.58-5,296.01-2,158.97

Finding the Fourth Proportional to 3,837.58, 5,296.01 and 2,158.97

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Solution

The fourth proportional to 3,837.58, 5,296.01 and 2,158.97 is: 2,979.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.58 : 5,296.01 = 2,158.97 : x
  2. Step 2: Convert to fraction form
    3,837.58/5,296.01 = 2,158.97/x
  3. Step 3: Cross multiply
    3,837.58x = 5,296.01 × 2,158.97
  4. Step 4: Simplify right side
    3,837.58x = 11,433,889.43
  5. Step 5: Solve for x
    x = 11,433,889.43/3,837.58
  6. Step 6: Final answer
    x = 2,979.45

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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.