Home / 3,251.23-4,879.58-1,403.73

Finding the Fourth Proportional to 3,251.23, 4,879.58 and 1,403.73

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Solution

The fourth proportional to 3,251.23, 4,879.58 and 1,403.73 is: 2,106.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.23 : 4,879.58 = 1,403.73 : x
  2. Step 2: Convert to fraction form
    3,251.23/4,879.58 = 1,403.73/x
  3. Step 3: Cross multiply
    3,251.23x = 4,879.58 × 1,403.73
  4. Step 4: Simplify right side
    3,251.23x = 6,849,605.81
  5. Step 5: Solve for x
    x = 6,849,605.81/3,251.23
  6. Step 6: Final answer
    x = 2,106.78

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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.