Home / 3,837.79-5,295.78-2,159.26

Finding the Fourth Proportional to 3,837.79, 5,295.78 and 2,159.26

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Solution

The fourth proportional to 3,837.79, 5,295.78 and 2,159.26 is: 2,979.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.79 : 5,295.78 = 2,159.26 : x
  2. Step 2: Convert to fraction form
    3,837.79/5,295.78 = 2,159.26/x
  3. Step 3: Cross multiply
    3,837.79x = 5,295.78 × 2,159.26
  4. Step 4: Simplify right side
    3,837.79x = 11,434,965.92
  5. Step 5: Solve for x
    x = 11,434,965.92/3,837.79
  6. Step 6: Final answer
    x = 2,979.57

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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.