Home / 3,389.22-5,080.11-1,745.86

Finding the Fourth Proportional to 3,389.22, 5,080.11 and 1,745.86

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Solution

The fourth proportional to 3,389.22, 5,080.11 and 1,745.86 is: 2,616.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389.22 : 5,080.11 = 1,745.86 : x
  2. Step 2: Convert to fraction form
    3,389.22/5,080.11 = 1,745.86/x
  3. Step 3: Cross multiply
    3,389.22x = 5,080.11 × 1,745.86
  4. Step 4: Simplify right side
    3,389.22x = 8,869,160.84
  5. Step 5: Solve for x
    x = 8,869,160.84/3,389.22
  6. Step 6: Final answer
    x = 2,616.87

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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.