Home / 3,834.16-5,745.74-2,187.30

Finding the Fourth Proportional to 3,834.16, 5,745.74 and 2,187.30

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Solution

The fourth proportional to 3,834.16, 5,745.74 and 2,187.30 is: 3,277.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,834.16 : 5,745.74 = 2,187.30 : x
  2. Step 2: Convert to fraction form
    3,834.16/5,745.74 = 2,187.30/x
  3. Step 3: Cross multiply
    3,834.16x = 5,745.74 × 2,187.30
  4. Step 4: Simplify right side
    3,834.16x = 12,567,657.10
  5. Step 5: Solve for x
    x = 12,567,657.10/3,834.16
  6. Step 6: Final answer
    x = 3,277.81

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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.