Home / 3,855.26-5,322.56-2,531.27

Finding the Fourth Proportional to 3,855.26, 5,322.56 and 2,531.27

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Solution

The fourth proportional to 3,855.26, 5,322.56 and 2,531.27 is: 3,494.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855.26 : 5,322.56 = 2,531.27 : x
  2. Step 2: Convert to fraction form
    3,855.26/5,322.56 = 2,531.27/x
  3. Step 3: Cross multiply
    3,855.26x = 5,322.56 × 2,531.27
  4. Step 4: Simplify right side
    3,855.26x = 13,472,837.10
  5. Step 5: Solve for x
    x = 13,472,837.10/3,855.26
  6. Step 6: Final answer
    x = 3,494.66

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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.