Home / 3,480.48-5,222.39-1,631.30

Finding the Fourth Proportional to 3,480.48, 5,222.39 and 1,631.30

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Solution

The fourth proportional to 3,480.48, 5,222.39 and 1,631.30 is: 2,447.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,480.48 : 5,222.39 = 1,631.30 : x
  2. Step 2: Convert to fraction form
    3,480.48/5,222.39 = 1,631.30/x
  3. Step 3: Cross multiply
    3,480.48x = 5,222.39 × 1,631.30
  4. Step 4: Simplify right side
    3,480.48x = 8,519,262.77
  5. Step 5: Solve for x
    x = 8,519,262.77/3,480.48
  6. Step 6: Final answer
    x = 2,447.73

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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.