Home / 3,485.32-5,229.66-2,186.44

Finding the Fourth Proportional to 3,485.32, 5,229.66 and 2,186.44

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Solution

The fourth proportional to 3,485.32, 5,229.66 and 2,186.44 is: 3,280.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.32 : 5,229.66 = 2,186.44 : x
  2. Step 2: Convert to fraction form
    3,485.32/5,229.66 = 2,186.44/x
  3. Step 3: Cross multiply
    3,485.32x = 5,229.66 × 2,186.44
  4. Step 4: Simplify right side
    3,485.32x = 11,434,337.81
  5. Step 5: Solve for x
    x = 11,434,337.81/3,485.32
  6. Step 6: Final answer
    x = 3,280.71

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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.