Home / 3,855.08-5,322.61-2,531.03

Finding the Fourth Proportional to 3,855.08, 5,322.61 and 2,531.03

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Solution

The fourth proportional to 3,855.08, 5,322.61 and 2,531.03 is: 3,494.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855.08 : 5,322.61 = 2,531.03 : x
  2. Step 2: Convert to fraction form
    3,855.08/5,322.61 = 2,531.03/x
  3. Step 3: Cross multiply
    3,855.08x = 5,322.61 × 2,531.03
  4. Step 4: Simplify right side
    3,855.08x = 13,471,685.59
  5. Step 5: Solve for x
    x = 13,471,685.59/3,855.08
  6. Step 6: Final answer
    x = 3,494.53

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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.