Home / 2,119.14-2,923.92-1,234.42

Finding the Fourth Proportional to 2,119.14, 2,923.92 and 1,234.42

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Solution

The fourth proportional to 2,119.14, 2,923.92 and 1,234.42 is: 1,703.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119.14 : 2,923.92 = 1,234.42 : x
  2. Step 2: Convert to fraction form
    2,119.14/2,923.92 = 1,234.42/x
  3. Step 3: Cross multiply
    2,119.14x = 2,923.92 × 1,234.42
  4. Step 4: Simplify right side
    2,119.14x = 3,609,345.33
  5. Step 5: Solve for x
    x = 3,609,345.33/2,119.14
  6. Step 6: Final answer
    x = 1,703.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.