Home / 3,661.22-5,494.26-1,931.06

Finding the Fourth Proportional to 3,661.22, 5,494.26 and 1,931.06

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Solution

The fourth proportional to 3,661.22, 5,494.26 and 1,931.06 is: 2,897.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,661.22 : 5,494.26 = 1,931.06 : x
  2. Step 2: Convert to fraction form
    3,661.22/5,494.26 = 1,931.06/x
  3. Step 3: Cross multiply
    3,661.22x = 5,494.26 × 1,931.06
  4. Step 4: Simplify right side
    3,661.22x = 10,609,745.72
  5. Step 5: Solve for x
    x = 10,609,745.72/3,661.22
  6. Step 6: Final answer
    x = 2,897.87

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1.5x scale

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.