Home / 2,379.23-3,565.32-2,119.73

Finding the Fourth Proportional to 2,379.23, 3,565.32 and 2,119.73

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Solution

The fourth proportional to 2,379.23, 3,565.32 and 2,119.73 is: 3,176.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379.23 : 3,565.32 = 2,119.73 : x
  2. Step 2: Convert to fraction form
    2,379.23/3,565.32 = 2,119.73/x
  3. Step 3: Cross multiply
    2,379.23x = 3,565.32 × 2,119.73
  4. Step 4: Simplify right side
    2,379.23x = 7,557,497.94
  5. Step 5: Solve for x
    x = 7,557,497.94/2,379.23
  6. Step 6: Final answer
    x = 3,176.45

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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.