Home / 3,659.27-5,486.37-1,319.22

Finding the Fourth Proportional to 3,659.27, 5,486.37 and 1,319.22

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Solution

The fourth proportional to 3,659.27, 5,486.37 and 1,319.22 is: 1,977.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,659.27 : 5,486.37 = 1,319.22 : x
  2. Step 2: Convert to fraction form
    3,659.27/5,486.37 = 1,319.22/x
  3. Step 3: Cross multiply
    3,659.27x = 5,486.37 × 1,319.22
  4. Step 4: Simplify right side
    3,659.27x = 7,237,729.03
  5. Step 5: Solve for x
    x = 7,237,729.03/3,659.27
  6. Step 6: Final answer
    x = 1,977.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.